An ad for flights to Palm Springs California claims that
An ad for flights to Palm Springs, California, claims that "the average temperature (in Fahrenheit) on Christmas Day in Palm Springs is 56º." Suppose you think this ad exaggerates the temperature upwards, and you look at a random sample of 30 Christmas days and find an average of 50º and standard deviation of 8º. Conduct the test and give the p-value.
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