Standardized Test: You are trying to answer a multiple choice question on a standardized test. There are three choices. If you get the question right, you gain 1 one point, and if you get it wrong, you lose point. Assume you have no idea what the right answer is, so you pick one of the choices at random. What is the expected value of the number of points you get? What is the expected value of the number of points you get? Round the answer to two decimal places. The expected value of the number of points you get is 5

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A: From the information, any customer has a 9% chance of winning a free laptop .

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A: We have given  the following statement about the software store.  121 people who walked by his store…

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Q: You are to flip a fair coin, where probability of heads is equal to 50% (and tails is 50%). The fair…

A: Answer:- Given, The probability of head , P(H) = 50% = 0.50  The fair coin is flipped, n = 100000…

Q: Consider a computer test to indicate if you like Math 123 or dislike Math 123. If positive, you like…

A: Given information: P(Like) = 0.80 P(Dislike) = 0.20 PPositiveLike=0.855 PNegativeDislike=0.855…

Q: Find the values of the random variable Z and complete the table.

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A: Topic:- algebra  Note:- as per our guideline if more than one question uploaded than only first…

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Q: Which of these conclusions and justifications is the MOST reasonable?

A: Solution:

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Q: Jack wrote a 10-question multiple choice quiz. Each question has five possible choices. What is the…

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A: We have 2 red , 3 blue , 1 yellow Total 6 balls . Three balls are drawn from the bag .

Q: Estimate the probability that a person who walks by the store will come in and buy something

A: here given , John runs a computer software store. He counted 120 people who walked by his store in…

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A: n=5, p=40%

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A: Let X represent the number of free throw shooter hits   X~ Binomial (5, 0.64)

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Q: John runs a computer software store. He counted 124 people who walked by his store in a day, 52 of…

A: Given information is ;  n(sample space ) = number of peoples who walked by his store  =124 n(A) =…