## [solution]: You have just purchased a home and taken out a 450,000

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#1 : A random sample of 100 cable TV movies contained an average of 3.38 acts of physical violence per program. At the 99% level what is your estimate of the population value?

# 2:

Based on an EPSEM sample of 300 state university students, we estimate that the average number of hours of study time each week is 30 ± 2. In this example, the population is

 A.the 300 state university students. B.all state university students. C.unknown. D.the same as the parameter.

#3.

The average weight of a sample of women who attend aerobics classes at the YWCA is 130 pounds. We construct a confidence interval (using an alpha of 0.05) of ± 3.45. The upper and lower limits of our estimate are

 A.126.55 and 133.45. B.126.55 and 130.45. C.unknown; these values will depend on the number of women who are truly serious about exercising. D.130.00 and 133.45.

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