SOLUTION: stated that Americans watch an average of 3.5 hours of television per person per day. If the standard deviation for the number of hours of television watched per day is 3.9 and a r
Algebra ->
Probability-and-statistics
-> SOLUTION: stated that Americans watch an average of 3.5 hours of television per person per day. If the standard deviation for the number of hours of television watched per day is 3.9 and a r
Log On
Question 631152: stated that Americans watch an average of 3.5 hours of television per person per day. If the standard deviation for the number of hours of television watched per day is 3.9 and a random sample of 266 Americans is selected, the mean of this sample belongs to a sampling distribution.
(a) What is the shape of this sampling distribution?
(1)skewed right normal
(2)symmetrical
(3)skewed left
(4)uniform
(b) What is the mean of this sampling distribution? (Give your answer correct to one decimal place.)
(c) What is the standard deviation of this sampling distribution? (Give your answer correct to two decimal places.) Answer by ewatrrr(24785) (Show Source):