Mathematics, 14.02.2020 05:30 zamorano5912
A student prepares for an exam by studying a list of 10 problems. She can solve 8 of them. For the exam, the instructor selects 7 questions at random from the list of 10. What is the probability that the student can solve all 7 problems on the exam
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Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
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A student prepares for an exam by studying a list of 10 problems. She can solve 8 of them. For the e...
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