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.
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The time a student sleeps per night has a normal distribution
with mean 6.2 hours and...
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 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)
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...
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....
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.
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.
The distribution of hours of sleep per week night, among college students, is found to be...
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. What range contains the middle 95% of hours slept per week night by college students (a) 5.5 and 7.5 hours per week night (b) 4.5 and 7.5 hours per week night (c) 4.5 and 8.5 hours per week night 3.19
The number of hours of sleep in a night is normally distributed in adults, with a...
The number of hours of sleep in a night is normally distributed in adults, with a mean of 7.2 hours and a standard deviation of 1.7 hours. Suppose a randomly selected adult sleeps 7.3 hours in a night. What percentile are they - that is, what percentage of adults do they sleep more than?
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 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: He: -7,<7, = 0.05. 6.2 7.5 6.6 5.7 6.1 6.1 7.2 6.1 7.3 6.5 (a) Find t. (Give your answer correct to two decimal places.) (11) Find the p-value. (Give your answer correct to...
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....
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.
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.
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. What range contains the middle 95% of hours slept per week night by college students (a) 5.5 and 7.5 hours per week night (b) 4.5 and 7.5 hours per week night (c) 4.5 and 8.5 hours per week night 3.19
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: He: -7,<7, = 0.05. 6.2 7.5 6.6 5.7 6.1 6.1 7.2 6.1 7.3 6.5 (a) Find t. (Give your answer correct to two decimal places.) (11) Find the p-value. (Give your answer correct to...
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