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. 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 night is between ____ and _____ hours. (Keep 3 decimal places)
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It is known that the number of hours a student sleeps per night
has a normal...
The time a student sleeps per night has a distribution with mean 5.1 hours and a...
The time a student sleeps per night has a distribution with mean 5.1 hours and a standard deviation of 0.4 hours. Find the probability that average sleeping time for a randomly selected sample of 30 students is more than 5 hours per night. (keep 4 decimal places)
The time a student sleeps per night has a normal distribution with mean 6.2 hours and...
The time a student sleeps per night has a normal distribution with mean 6.2 hours and a standard deviation of 0.5 hours. Find the 32nd percentile of the sleeping time of students.
Central Limit Theorem The time a student sleeps per night has a distribution with mean 6.2...
Central Limit Theorem The time a student sleeps per night has a distribution with mean 6.2 hours and a standard deviation of 0.5 hours. Find the probability that average sleeping time for a randomly selected sample of 32 students is more than 6 hours per night. (keep 4 decimal places)
The recommended number of hours of sleep per night is 8 hours, but everybody "knows" that...
The recommended number of hours of sleep per night is 8 hours, but everybody "knows" that the average college student sleeps less than 7 hours. The number of hours slept last night by 10 randomly selected college students is listed below. Complete the following hypothesis test: Ho: μ = 7, Ha: μ < 7, α = 0.05. 6 5.5 6.9 7.6 6.3 7.4 5.3 6.1 5.5 7.6 (a) Find t. (Give your answer correct to two decimal places.) (ii) Find...
estions standard deviatic ht. Construct a Os 5 Points Samber of sleeping hours per per night...
estions standard deviatic ht. Construct a Os 5 Points Samber of sleeping hours per per night of UBT students is approximately normally distributed with mean ndard deviation of 1.8 hours. A random sample of 35 students has a mean y = 7.3 hours of scop Construct a 95% confidence interval for the mean sleeping hours per night.
please explain how to get answer -how to do it in Excel Question 1 The time...
please explain how to get answer
-how to do it in Excel
Question 1 The time a student sleeps per night has a distribution with mean 5.1 hours and a standard deviation of 0.5 hours. Find the probability that average sleeping time for a randomly selected sample of 42 students is more than 5 hours per night. I (keep 4 decimal places) I don't know 2 attempts You answered 0 out of 0 correctly. Asking up to 5.
The recommended number of hours of sleep per night is 8 hours, but everybody "knows" that...
The recommended number of hours of sleep per night is 8 hours, but everybody "knows" that the average college student sleeps less than 7 hours. The number of hours slept last night by 10 randomly selected college students is listed below. Complete the following hypothesis test: Ho: μ = 7, Ha: μ < 7, α = 0.05. 7.9 6.2 6.8 7 6.9 5.6 5.2 5.7 7.3 5.5 (a) Find t. (Give your answer correct to two decimal places.) (ii) Find...
The main number of hours of part-time work per week for a sample of 133 high...
The main number of hours of part-time work per week for a sample of 133 high school students is 27 is the margin of error for the population mean with 80 for 98% confidence interval of 2.4 constructive 98% confidence interval for the main number of hours apart time work per week for students
the amount of sleep per night of us.adults follows a normal distribution with mean 7.5 hours...
the amount of sleep per night of us.adults follows a normal distribution with mean 7.5 hours and A lot of research is conducted on the sleeping habits of US adults. One study reported that standard de 12 hours Question 1 1 The shaded area in the image below represents which of the follow n PXX-5 PSX9.5) PEX- S X 9.5) PX X5 Question 14 of 18 Using the Standard Deviation Rule, what is the probability that a randomly chosen U.S....
The mean number of hours of study time per week for a sample of 524 high-school students is 27. I...
The mean number of hours of study time per week for a sample of 524 high-school students is 27. If the margin of error for the population mean with a 98% confidence interval is 1.7, construct a 98% confidence interval for the mean number of hours of study time per week for all high-school students. Lower endpoint? upper endpoint?
estions standard deviatic ht. Construct a Os 5 Points Samber of sleeping hours per per night of UBT students is approximately normally distributed with mean ndard deviation of 1.8 hours. A random sample of 35 students has a mean y = 7.3 hours of scop Construct a 95% confidence interval for the mean sleeping hours per night.
please explain how to get answer
-how to do it in Excel
Question 1 The time a student sleeps per night has a distribution with mean 5.1 hours and a standard deviation of 0.5 hours. Find the probability that average sleeping time for a randomly selected sample of 42 students is more than 5 hours per night. I (keep 4 decimal places) I don't know 2 attempts You answered 0 out of 0 correctly. Asking up to 5.
the amount of sleep per night of us.adults follows a normal distribution with mean 7.5 hours and A lot of research is conducted on the sleeping habits of US adults. One study reported that standard de 12 hours Question 1 1 The shaded area in the image below represents which of the follow n PXX-5 PSX9.5) PEX- S X 9.5) PX X5 Question 14 of 18 Using the Standard Deviation Rule, what is the probability that a randomly chosen U.S....
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