Mathematics, 16.11.2019 07:31 jitosfc916
In a recent survey of high school students, it was found that the average amount of money spent on entertainment each week was normally distributed with a mean of $52.30 and a standard deviation of $18.23. assuming these values are representative of all high school students, what is the probability that for a sample of 25, the average amount spent by each student exceeds $60?
a) 0.3372
b) 0.0174
c) 0.1628
d) 0.4826
Answers: 2
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