Question

The following data represent the running length ( in minutes) of the winners of the Academy...

The following data represent the running length ( in minutes) of the winners of the Academy Award for Best Picture for the past 6 years.

2004: Million Dollar Baby 132 a) Compute the population mean .

2003: The Lord of the Rings 201 b) Construct a sampling distribution with size n =2

2002: Chicago 112 by listing the sample mean and their probabilities

2001: A Beautiful Mind 134 for 6C2 = 15 samples.

2000: Gladiator 155 c) Compute the mean of the sampling distribution.

1999: American Beauty 120 d) Compute the probability that the sample mean

is within 15 min. of the population mean running

   times.

Math   Statistics-And-Probability   
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Answer #1

c) the mean of the sampling distribution = 142.33

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