Question

The time a student sleeps per night has a distribution with mean 5.98 hours and a...

The time a student sleeps per night has a distribution with mean 5.98 hours and a standard deviation of 0.35 hours. Find the probability that average sleeping time for a randomly selected sample of 50 students is more than 6.05 hours per night.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The time a student sleeps per night has a distribution with mean 6.3 hours and a...
The time a student sleeps per night has a distribution with mean 6.3 hours and a standard deviation of 0.6 hours. Find the probability that average sleeping time for a randomly selected sample of 42 students is more than 6.5 hours per night. Answer: (round to 4 decimal places)
It is known that the number of hours a student sleeps per night has a normal...
It is known that the number of hours a student sleeps per night has a normal distribution. The sleeping time in hours of a random sample of 8 students is given below. See Attached Excel for Data. 8.6, 8.3, 7.6, 6, 7.1, 5.6, 5.1, 6 Compute a 98% confidence interval for the true mean time a student sleeps per night and fill in the blanks appropriately. We have 98 % confidence that the true mean time a student sleeps per...
Suppose college students average 7.3 hours of sleep per night with a standard deviation of 45...
Suppose college students average 7.3 hours of sleep per night with a standard deviation of 45 minutes, and suppose that this is normally-distributed. What is the probability that a randomly-selected college student sleeps for more than 8.1 hours? Probability = What is the 60th percentile for college-student sleep times? Round your answer to four decimal places. 60th percentile = hours
Another researcher found that the hours of sleep for female students is normally distributed with a...
Another researcher found that the hours of sleep for female students is normally distributed with a mean of 7.66 hours and a standard deviation of 11.65 minutes. (1 mark) What is the probability that a randomly selected female student at the college sleep less than 7.83 hours? (4dp)  Answer What is the probability that a randomly selected female student at the college sleep more than 7.63 hours? (4dp)  Answer What is the probability that a randomly selected female student at the college...
Another researcher found that the hours of sleep for female students is normally distributed with a...
Another researcher found that the hours of sleep for female students is normally distributed with a mean of 8 hours and a standard deviation of 25.81 minutes. (1 mark) What is the probability that a randomly selected female student at the college sleep less than 8.12 hours? (4dp)  Answer What is the probability that a randomly selected female student at the college sleep more than 7.98 hours? (4dp)  Answer What is the probability that a randomly selected female student at the college...
. At a local university, the professor of sleep would like to know the mean time...
. At a local university, the professor of sleep would like to know the mean time a college student sleeps per nite. Ten randomly selected students were asked how long they slept at night. The mean time they slept was 7.1 hours, and the standard deviation was 0.78 hour. a) Find the best point estimate for the true mean time: ______________ b) Find the 95% confidence interval for the population mean: ______________________ c) A second professor believes that the mean...
Today, full time college students report spending a mean of 27 hours per week on academic...
Today, full time college students report spending a mean of 27 hours per week on academic activities, both inside and outside of the classroom. Assume the standard deviation of time spent on academic activities is 4 hours. If you select a random sample of 50 full-time college students: A. Describe the shape of the sampling distribution. How do you know it is this shape? B. Find the mean and standard deviation for the distribution of the sample mean (x bar)...
The time taken by a randomly selected student to fill out an online SOTE has a...
The time taken by a randomly selected student to fill out an online SOTE has a normal distribution with mean 2 minutes and standard deviation 45 seconds. Suppose 4 students fill out an online SOTE on a randomly selected day. Find the probability that the sample average amount of time taken is at most 3 minutes.
8. The distribution of hours of sleep per week night, among college students, is found to...
8. The distribution of hours of sleep per week night, among college students, is found to be Normally distributed, with a mean of 6.5 hours and a standard deviation of 1 hour. 1). 3pts. What proportion of the students have sleep hours more than 8 hours? Show your work 2). 4pts. What proportion of the college students have sleep hours between 5 and 7 hours? Show your work. 3). 3pts. What is the probability that a student has exactly 6.5...
. The average college student gets 8 hours of sleep a night. Health services wants to...
. The average college student gets 8 hours of sleep a night. Health services wants to know if UNH students get more or less sleep than the average student. They sample 46 students and find that they sleep on average 7 hours a night with a standard deviation of 1.86.             a. State the null and alternative hypothesis.             b. Conduct the most appropriate test.             c. What do you conclude?             d. If applicable, what is the 95% confidence interval?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT