Question

A survey among freshman at a large university showed the number of hours spent studying the...

A survey among freshman at a large university showed the number of hours spent studying the week before finals was normally distributed with a mean of 25 hours in a standard deviation of seven hours what is the probability of randomly selected freshman spends 35 and 43 hours studying the week before finals?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A survey among freshmen at a large university showed that the number of hours spent studying...
A survey among freshmen at a large university showed that the number of hours spent studying the week before final exams was normally distributed with a mean of 25 hours and standard deviation of 7 hours. What is the probability a randomly selected freshman spends between 35 and 43 hours studying the week before final exams? a. 0.0713 b. 0.0565 c. 0.1271 d. 0.8729
A survey among freshmen at a large university showed that the number of hours spent studying...
A survey among freshmen at a large university showed that the number of hours spent studying the week before final exams was normally distributed with a mean of 25 hours and standard deviation of 7 hours. What is the probability a randomly selected freshman spends between 35 and 43 hours studying the week before final exams? a. 0.0565 b. 0.8729 c. 0.0713 d. 0.1271
a survey among freshmen at a certain university revealed that the number of hours spent studying...
a survey among freshmen at a certain university revealed that the number of hours spent studying the week before finals exams was normally distributed with mean 25 and standard deviation 15. a sample of 36 students was selected. what is the probability that the average time spent studying for the sample was between 28.0 and 30 hours studying? round to four decimal places.
A survey among freshmen at a certain university revealed that the number of hours spent studying...
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 standard deviation 15. A sample of 36 students was selected. What is the probability that the average time spent studying for the sample was between 29.0 and 30 hours studying? Round to 4 decimal places.
A survey among freshmen at a certain university revealed that the number of hours spent studying...
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 standard deviation 15. A sample of 36 students was selected. What is the probability that the average time spent studying for the sample was between 29.2 and 30 hours studying? Write only a number as your answerRound to 4 decimal places (for example 0.0048 ). Do not write as a percentage .
A survey among freshmen at a certain university revealed that the number of hours spent studying...
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 40 and standard deviation 7 . Find percentile corresponding to p = 62 % of the number of hours studying. Write only a number as your answer. Round to two decimal places (for example: 20.81).
A survey among freshmen at a certain university revealed that the number of hours spent studying...
A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was approximately normally distributed with mean 25 and standard deviation 7. What proportion of students studied more than 20 hours? What proportion of students studied less than 16 hours? What proportion of the students studied between 25 and 40 hours?
A survey among freshmen at a certain university revealed that the number of hours spent studying...
A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was approximately normally distributed with mean 25 and standard deviation 7. a. What proportion of students studied more than 20 hours? b. What proportion of students studied less than 16 hours? c. What proportion of the students studied between 25 and 40 hours?
6.1 question 18 How much do you study? A survey among freshmen at a certain university...
6.1 question 18 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 27 and standard deviation 7. Use the TI-84 PLUS calculator to answer the following. Round the answer to at least four decimal places. (a) What proportion of students studied more than 38 hours? (b) What is the probability that a randomly selected student spent between 15...
How much do you study? A survey among freshmen at a certain university revealed that the...
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 standard deviation 5 . Use the Cumulative Normal Distribution Table to answer the following. (a) Find the 96th percentile of the number of hours studying. (b) Find the 31st percentile of the number of hours studying. (c) Between what two values are the middle 88% of the...