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A multiple- choice trivia quiz has ten questions, each with four possible answers. If someone simply guesses at each answer, [A6] What is the probability of only one or two correct guesses? What is the probability of getting more than half the questions right? What is the expected number of correct guesses?

Eighteen of thirty players selected in the NHL, first-round draft were Canadian: If seven drafted players are randomly selected, what is the probability that [A6} a) Only one is Canadian? All are Canadian? Most of them are Canadian?

10. The incidence of a disease in the population is 12%. Six people are in an elevator [A4] What is the probability that at least two of them will have the disease? What is the expected number of these people with the disease?

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04:01

Fill in the blanks:A multiple-choice quiz has 15 questions, each with 4 possible answers of which only is the correct answer: What is the probability that a student get 7 correct answers?Fill in the blanks:The probability that a patient recovers from a rare blood disease is 0.40. If 15 people are known to have contracted this disease; what is the probability that anywhere from 10 to 12 patients survive?Fill in the blanks:A coin is tossed twice find the probability of getting at least one head.

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On the multiple choice test there are 11 questions Each answers_ Suppose question has six possible a student guesses at one answer for all questions on the test: a) Find the expected number of answers the student will Round to 2 decimal get incorrect for the test: places, if needed, b) Find the probability that the student gets exactly 5 or 6 to 4 decimal places, if answers incorrect: Round needed: c) Find the probability that the student gets at most 10 answers decimal places, if needed. incorrect: Round to

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A quiz consists of eight multiple-choice questions. Eachquestion has three possible responses. Let’sassume that you are guessing the answers and, therefore, alloutcomes are equally likely. Round your answers to five decimalplaces.a) What is the probability that you will correctly guess alleight questions? b) What is the probability that you will correctly guess atleast one question?

06:29

In a multiple choice quiz there are 5 questions and 4 choices for each question (a d). Robin has not studied for the quiz at all, and decides to randomly guess the answers. (Round your answers to four decimal places:) (a) What is the probability that the first question she gets right is the fourth question? 0.01171875(b) What is the probability that she gets exactly 4 or exactly questions right?What is the probability that she gets the majority of the questions right?

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Edward has to take a six-question multiple-choice quiz in his sociology class. Each question has four choices for answers, of which only one is correct.Assuming that Edward guesses on all six questions, what is the probability that he will answer:a) all six questions correctly,b) exactly two questions correctly,c) at least two questions correctly?

a) The probability is _.b) The probability is _.c) The probability is _. (Type an integer or decimal rounded to five decimal places as needed.)

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