(Answered) Suppose feature movie lengths in hours were measured for

Statistics

Suppose feature movie lengths (in hours) were measured for all movies shown in 2017 in the U.S. The mean length of all feature length movies shown was 1.80 hours with a standard deviation of 0.15 hours. Suppose the length of a random sample of 20 movies was recorded from all movies released in 2017. The mean length of the feature length movies was found to be 1.72 hours with a standard deviation of 0.18 hours.

Suppose the process of taking random samples of size 20 is repeated 200 times and a histogram of the 200 sample means is created. The histogram would be a display of which of the following?

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