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Related Questions
You are the owner of a local fast food restaurant and you want to test whether your average number of customers per day is less than 500. You take a sample of 25 days and find that the average for these days is 480. You have been told by the corporate office that the population standard deviation of the number of customers is 95. What is the p-value for a hypothesis test at a 5% significance level
Answers
Answer:
The correct answer is "-1.05".
Step-by-step explanation:
Given that,
Sample size,
n = 25
Sample mean,
[tex]\bar X=480[/tex]
Population standard deviation,
[tex]\sigma=95[/tex]
Null hypothesis,
[tex]H_0:\mu=500[/tex]
Alternate hypothesis,
[tex]H_0:\mu>500[/tex]
Then,
The p-value will be:
⇒ [tex]Z=\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }[/tex]
By putting the values, we get
⇒ [tex]=\frac{480-500}{\frac{95}{\sqrt{25} } }[/tex]
⇒ [tex]=-\frac{100}{95}[/tex]
⇒ [tex]=-1.05[/tex]
I’m having a hard time anyone knows??
Answers
Answer:
65
Step-by-step explanation:
See image below:)
(2+5i)+(-3-4i) what is the answer to this question?
Answers
Answer:
-1+i
Step-by-step explanation:
(2+5i)+(-3-4i)
=(2-3)+i(5-4)
=-1+i
Answer:
[tex]−1+i[/tex]
Step-by-step explanation:
[tex](2+5i)+(−3−4i)[/tex]
[tex]2+5i−3−4i[/tex]
[tex]−1+5i−4i[/tex]
[tex]−1+i[/tex]
Hope it is helpful.....A line has slope Four-thirds. Through which two points could this line pass? a. (24, 19), (8, 10) b. (10, 8), (16, 0) c. (28, 10), (22, 2) d. (4, 20), (0, 17) Please select the best answer from the choices provided A B C D
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Answer:
a and c
Step-by-step explanation:
Answer:
its c
Step-by-step explanation:
i got it right
PLEASE HURRY i need an answer now please help
Answers
Answer:
2 hours
Step-by-step explanation:
10/50 * 10 = 2
1/4 es mayor o menor que 3/16
Answers
Answer:
1/4
Step-by-step explanation:
Have a nice day :)
ten un buen dia :)
Answer: 3/16 es menor than 1/4.
Based on a study, a theme park has reported that typical patrons were willing to pay
$64 for admission to the park. In the study, the theme park conducted a survey to
determine how much patrons were willing to pay for admission to the park. The park
asked 10 groups of 100 randomly selected patrons to choose a price from a list of
options. The price chosen most frequently by each group is shown in the table.
Answers
Answer:
A and D
Step-by-step explanation:
[tex]what is the inverse of f(x)=2x+3[/tex]
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The height of the tank is 11 m and the radius of the tank is 5 m. the height of the water is 6 m and the radius of the water is 3 m. how much more water in cubic meters could you fit in the tank?
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Answer:
221 cubic metre.
Step-by-step explanation:
Volume of water in tank (v) = π × {3}^{2} × 6
= 54π cubic metre
Volume of tank (v') = π × {5}^{2} × 11
= 275π cubic metre
More Water that can be fit in the tank = v' - v
=275π - 54π
= 221π cubic metre.
ANS.
Area and circumference of this circle
Answers
Answer:
Step-by-step explanation:
Given: The radius is 6 cm
To find the area + circumference we need to use 2 formulas:
Area: pi* radius^2
Circumference: 2*pi*r
First we can do the area
I will use "pi" for pi instead of 3.14
pi * 6^2
= 36 pi
The area is 36 pi
Next, circumference
2 * pi *r
2*pi*6
= 12 pi
So the area is 36 pi, and the circumference is 12 pi
Find the inverse of the function, f(x)=(x-6)^2, on the given domain of [6,infinity)
Answers
Answer:
Step-by-step explanation:
x-6 ≥ 0
y = (x-6)²
x-6 = √y
x = 6+√y
f⁻¹(x) = 6+√x
9)
10
22x - 2
8x + 2
A) 5
C) 8
B) 6
D) 2
I
Answers
Answer:
x+6
Step-by-step explanation:
180 divided by 30=6
Which u get 6
30*6=180
The answer is B
i need help! plz (listing BRAINLIST and giving points) :D
Answers
Answer:
8 hours
Step-by-step explanation:
simple, divide 536 miles by 804 miles and multiply the fraction with 12 hours
fraction = 0.6666666 or 536/804 OR two thirds or 2/3
multiply 2/3 by 12 hours
it would take approximately 8 hours to arrive at 536 miles
PLEASE ANSWERR!!! WILL MARK YOU BRAINLYEST❤️❤️
(06.04 HC)
Every week Ben collects a few pounds of paper to recycle. The graph below shows the total number of pounds of paper (9) that Ben collected in a certain amount of time (), in
weeks
Paper Recycling
150
Amount of 120
Paper
90
Collected
(in pounds) 60
30
0 1 2 3 4 5
Number of Weeks
What would most likely be the total amount of paper, in pounds, Bon would collect in 10 weeks?
230
O 270
300
330
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Answer:
Step-by-step explanation:
??????
Please help me on this question, ignore the pencil marks.
The answer choices are
A. 4
B. 5
C. 6
D. 7
E. 8
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A cylindrical container of disinfectant wipes with a radius of 1 inch and a height of 10 inches is sold
for $3. A two-pack of disinfectant wipes each with the same dimensions is sold for $5. What is the
difference in price per cubic inch?
Answers
Answer:
0.02
Step-by-step explanation:
5/69.12=0.0723
3/69.12=0.0434
0.0723-0.0434=0.0289
=0.02
Find the following list of data calculate a demean be the maid in and see the mouth or mothers of the numbers from
the picture
Answers
Given:
A fair die is rolled.
It pays off $10 for 6, $7 for a 5, $4 for a 4 and no payoff otherwise.
To find:
The expected winning for this game.
Solution:
If a die is rolled then the possible outcomes are 1, 2, 3, 4, 5, 6.
The probability of getting a 6 is:
[tex]P(6)=\dfrac{1}{6}[/tex]
The probability of getting a 5 is:
[tex]P(5)=\dfrac{1}{6}[/tex]
The probability of getting a 4 is:
[tex]P(4)=\dfrac{1}{6}[/tex]
The probability of getting other numbers (1,2,3) is:
[tex]P(\text{Otherwise})=\dfrac{3}{6}[/tex]
[tex]P(\text{Otherwise})=\dfrac{1}{2}[/tex]
Now, find the sum of product of payoff and their corresponding probabilities to find the expected winning for this game.
[tex]E(x)=10\times P(6)+7\times P(5)+4\times P(4)+0\times P(\text{Otherwise})[/tex]
[tex]E(x)=10\times \dfrac{1}{6}+7\times \dfrac{1}{6}+4\times \dfrac{1}{6}+0\times \dfrac{1}{2}[/tex]
[tex]E(x)=\dfrac{10}{6}+\dfrac{7}{6}+\dfrac{4}{6}+0[/tex]
On further simplification, we get
[tex]E(x)=\dfrac{10+7+4}{6}[/tex]
[tex]E(x)=\dfrac{21}{6}[/tex]
[tex]E(x)=3.5[/tex]
Hence, the expected winnings for this game are $3.50.
The perimeter of a rectangle is 54 cm. Find its length and width if the length is represented
by 3x + 2 and the width is represented by 2x – 5.
HELP FAST!!
Answers
Answer:
length = 20
width = 7
Step-by-step explanation:
Perimeter of a rectangle is
P = 2(l+w)
54 = 2( 3x+2 + 2x-5)
Combine like terms
54 = 2( 5x -3)
Divide each side by 2
54/2 = 5x-3
27 = 5x-3
Add 3 to each side
27+3 = 5x-3+3
30 = 5x
Divide by 5
30/5 = 5x/5
6 =x
3x+2 = 3(6)+2 = 18+2 = 20
2x-5 = 2(6)-2 =12-5 =7
Answer:
Length = 20 cm
Width = 7 cm
Step-by-step explanation:
Given that :-
The perimeter of a rectangle is 54 cm. Its length and width if the length is represented by 3x + 2 and the width is represented by 2x – 5.To find :-
Find the measures of length and width
Solution :-
To calculate the measures of length and width of rectangle . we gave given in question that perimeter of rectangle is 54 cm and length is represented by 3x + 2 and width is represented by 2x-5.Using Formula :-
Perimeter of rectangle = 2 ( l + b )
Where,
l is the length and w is the width of rectangle.Perimeter = 54 cmSubstitute the values
54 cm = 2 ( 3x + 2 + 2x - 5 )
Combine like terms
54 cm = 2 ( 3 x + 2 x + 2 - 5)
54 cm = 2 ( 5 x -3)
Simplify both sides of the equation.
54 = 2( 5x− 3 )
54 = (2)(5x) + (2)(−3). .. ( Distribute )
54 = 10x +−6
54 = 10x −6
Flip the equation.
10x −6 = 54
Add 6 to both sides.
10x −6 + 6 = 54 + 6
10x = 60
Divide both sides by 10.
10x / 10 = 60 / 10
x = 6
Therefore ,
Length = 3x + 2 =3 ×6 + 2 = 18 + 2 = 20 cm
Width = 2x- 5 = 2 × 6 - 5 = 12 - 5 = 7 cm
42.
A toy store's percent of markup is 45%. A model train costs the store $100. Find the markaup.
(First gets brainliest)
Answers
Answer:
$68.97
Step-by-step explanation:
The equation you have to use is I=p(1.45)
If you have a 45% increase to 100, the original price was $68.97.
The medians of a triangle intersect at a point called the
A) centroid.
B) incenter.
C) midpoint.
D) median.
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Answer:
Centroid
Step-by-step explanation:
A triangle only has three medians, which intersect at the centroid. A triangle also only has three vertices, which follows the three medians.
Question in in picture, please help
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Step-by-step explanation:
256 mm3
cause volume of rectangular prism is l*b*h
Because 10x8x3.2= 256
What is the value of x?
Answers
Answer:
B.35 is the value of x in the figure
In some country the budget for defense exceeded the budget for education by $629.1 billion. If x represents the budget for education, in billions of dollars, how can the budget for defense
be represented?
If x represents the budget for education, in billions of dollars, the budget for defense can be represented by
Answers
Answer:
y = defence
Step-by-step explanation:
x^2 + ( 47y (7 + 6) + 18.1) is a starter point
x^2 + (47y (7+6) + 3(6+ 1/30))
x^2 + (611y + 3(6+1/30))
x^2 + (611y + 18.1)
x^2 + 629.1y
With x representing x billion and y representing y billion for defence
The budget for defense can be represented by the algebraic expression $ (x + 629.1) billion.
What is algebraic expression?An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations.
Let x represents the budget for education.
Given that the budget for defense exceeded the budget for education by $629.1 billion.
The budget for defense can be represented by (x + 629.1).
Learn more about algebraic expression here
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HELP ME PLEASEEEEEEEEEEEEEEEEEEE
Answers
The area of a square rug is 64 ft.² what is the perimeter of the rug?
Answers
Answer:
[tex]32[/tex][tex] {ft}^{2} [/tex]
Step-by-step explanation:
The area of a square rug = 64 ft²
First we will find the side of square rug = [tex] {64}^{2} = {s}^{2} [/tex]
[tex] {s}^{2} = 8 [/tex]
Perimeter of the rug = [tex]4 \times 8 [/tex][tex] = 32[/tex]ft²
Hope it is helpful...The weight of a product is normally distributed with a mean of 4 ounces and a variance of .25 squared ounces. What is the probability that a randomly selected unit from a recently manufactured batch weighs more than 5 ounces
Answers
Answer: 0.0228
Step-by-step explanation:
Let x be the weight of a product.
The probability that a randomly selected unit from a recently manufactured batch weighs more than 5 ounces:
[tex]P(X>5)\\\\=P(\dfrac{X-Mean}{\sqrt{Variance}}>\dfrac{5-4}{\sqrt{0.25}})\\\\=P(Z>\dfrac{1}{0.5}) \ \ \ [z=\dfrac{X-Mean}{\sqrt{Variance}}]\\\\=P(z>2)\\\\=1-P(Z<2)\\\\=1-0.9772\ \ [\text{Using p value table}]\\\\=0.0228[/tex]
Hence, the required probability = 0.0228
Which expression is modeled by this arrangement of tiles? 1-1-1-1-1-1 ---- K V ----1-1-1-12 ET -1-1-1-1 1 183 -2-2
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Answer:
b is correct (-16 by 2)
Step-by-step explanation:
Sorry the pic is fuzzy but can you help?
Answers
Step-by-step explanation:
may it be
9.6
may it help u
state what additional information is required in order to know that the triangles are congruent for the reason given. NO LINKS!!!!
Answers
Answer:
29) RD≅RS
30) KL≅YZ
Step-by-step explanation:
29) SSS means three sides must be congruent. Already sides TD and TS are marked congruent, and we know side TR is congruent to itself by the reflexive property. The third sides, RD and RS must be congruent if you're to use SSS.
__
30) HL means "hypotenuse, leg". The legs KJ and YX are already shown as congruent, so the hypotenuses KL and YZ must be congruent if you're to use HL.
How many 6 oz servings are in a 1.125-quart pitcher of lemonade? There are servings. Enter an integer or decimal number[more..] Question Help: Message instructor Calculator
Answers
Answer:
6
Step-by-step explanation:
1 qt = 4 cups
1 cup = 8 fl oz
1.125 qt * (4 cups)/(1 qt) * (8 fl oz)/(1 cup) = 36 fl oz
(36 fl oz)/(6 fl oz) = 6
Answer: 6 servings