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a recent national survey found that high school students watched an average(mean) of 6.8 movies per month with a population standard deviation of 1.8. The distribution of number of movies watched per month follows the normal distribution. a random sample of 36 high school students revealed that the mean number of movies watched last month was 6.2. At the 10 significance level, can we conclude that high school students watch less movies per month? compute the p-value and interpret it.
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