# A national retailer has tracked customers who visit its website and determined that 37% will make a

## Question:

A national retailer has tracked customers who visit its website and determined that 37% will make a purchase from the website within six months of their first website visit. Eight people who visit the website are selected at random as a sample.

a. Determine the expected number in the sample who will make a purchase within six months.

b. Calculate the standard deviation in the number who will make a purchase.

c. Calculate the probability of 2 or fewer making a purchase within six months.

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**Related Book For**

## Business Statistics A Decision Making Approach

**ISBN:** 9780134496498

10th Edition

**Authors:** David F. Groebner, Patrick W. Shannon, Phillip C. Fry