How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standerd deviation 7. Use the OCumulative Normal Distribution. Table to answer the following. (a) What proportion of students studied more than 41 hours? (b) What is the probability that a randomly selected student spent between 15 and 28 hours studying? (c) What proportion of students studied less than 27 hours? Round answers to at least four decimal places. Part: 0/3 Part 1 of 3 The proportion of students who studied more than 41 hours is

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How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams
was normally distributed with mean 25 and standerd deviation 7. Use the
Cumulative Normal Distribution Table to answer the following.
(a) What proportion of students studied more than 41 hours?
(b) What is the probability that a randomly selected student spent between 15 and 28 hours studying?
(c) What proportion of students studied less than 27 hours?
Round answers to at least four decimal places.
Part: 0/3
Part 1 of 3
The proportion of students who studied more than 41 hours is
Transcribed Image Text:How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standerd deviation 7. Use the Cumulative Normal Distribution Table to answer the following. (a) What proportion of students studied more than 41 hours? (b) What is the probability that a randomly selected student spent between 15 and 28 hours studying? (c) What proportion of students studied less than 27 hours? Round answers to at least four decimal places. Part: 0/3 Part 1 of 3 The proportion of students who studied more than 41 hours is
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