Question

Suppose that for 132 shoppers making a purchase at a clothing store, the total each shopper will spend follows a normal distribution with a mean of $234 and a standard deviation of $94.

a) Write the normal notation of the condition described above: N(______, _______ )

b) Use the calculator to calculate the probability (the area) in percent that the next purchase total will be between $100 and $150? ___________%

c) What is the approximate total purchase for a shopper who will be at 38th-percentile? $____________)

Answer 1