Maya is playing a trivia game with multiple choice questions. Each question has 222 correct answers among 555 answer choices. Maya has no idea what the answers to a certain question are, so she needs to choose two different answers at random. What is the probability that maya's first guess is correct and her second guess is incorrect? round your answer to two decimal places.

Answers

Answer 1

The probability that maya's first guess is correct and her second guess is incorrect is 0.24

From the question given above, the following data were obtained:

Correct answer (C) = 222Total answer = 555Incorrect answer (I) = 555 – 222 = 333

Next, we shall determine the probability that her 1st guess is correct.

Correct answer, nC = 222Total answer, nS= 555Probability of correct answer, P(C) =?

P(C) = nC / nS

P(C) = 222 / 555

Next, we shall determine the probability that her 2nd guess is incorrect

Incorrect answer, nI = 333Total answer, nS = 554Probability of incorrect answer, P(I) =?

P(I) = nI / nS

P(I) = 333 / 554

Finally, we shall determine the probability that her first guess is correct and her second guess is incorrect.

Probability of correct answer, P(C) = 222 / 555Probability of incorrect answer, P(I) = 333 / 554Probability of 1st correct and 2nd incorrect, P(C n I) =?

P(C n I) = P(C) × P(I)

P(C n I) = (222 / 555) × (333 / 554)

P(C n I) = 0.24

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Answer 2

Answer: 3/10 or 0.3

Explanation: P(1st correct AND 2nd incorrect)= 2/5 • 3/4= 3/10 or 0.3


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The way you should feel after your first meeting with a lawyer who says "i will win this case. In fact, i’ve never lost a case like this." is;

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The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

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Americans

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The standard error of the Canadian sample is:

[tex]SE_1 = \frac{2.9}{\sqrt{50}}[/tex]

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[tex]SE_1 = 0.41[/tex]

The standard error of the American sample is:

[tex]SE_2 = \frac{1.3}{\sqrt{60}}[/tex]

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[tex]SE_2 = 0.17[/tex]

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[tex]SE= \sqrt{SE_1^2 + SE_2^2}[/tex]

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Take square roots

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2.5% of $80,000=$2,000

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just did it on edge

The underlined word or phrase in the following sentence means Job. (Option C). This is a test of ones knowledge of synonyms and contextual interpretation.

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When the word could be used exactly instead of the another or is the nearest in meaning to another based on the context in which the other word has been used, the word is said to be a synonym.Examples are Satisfy  - Sate, Complete - Finish, Chew - Masticate.

Participle has a verb which acts as an adjective, describing a noun or pronoun. We have the present and past participles. In the phrase example given, 'curious' serves as the participle which describes the 'thing'.This would tells us that the object in question is eager to learn about something.

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