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A truefalse test consists of 15 items. (a) If Chris does not study at all and guesses each and every item in the test, describe the probability model for the number of correct guesses. (b) What is the probability that Chris gets
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A truefalse test consists of 10 items. What is the probability that Chris gets 80% or more for the test?
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A truefalse test consists of 15 items. (a) If Chris does not study at all and guesses each and every item in the test, describe the probability model for the number of correct guesses. each individual question has a probability
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Jack is taking a fouritem trueβfalse test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the probability on a
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the question is: If you know that 4 of the 10 items on a truefalse test are false, how many different ways could you select 4 items to mark as being false? I think the answer is 10P4=10*9*8*7/4*3*2*1=5040/24=210 ways
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Could someone please tell me if I am on track with my answer? Jack is taking a fouritem truefalse test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability
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Jack is taking a fouritem truefalse test. He has no knowledge about the subject of the test and decided to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the probability on a
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