Question

The CEO of a large company claims that 85% of customers are repeat customers. They define a repeat customer as someone who makes more than one purchase per month. A random sample of 200 customers shows that 162 are repeat customers. Do these data provide convincing evidence at the 5% significance level that less than 85% of customers of this company are repeat customers?

Answer 1

1. customers

2. all customers

3. 170

4. 30

5. 10

Explanation:

edgen 2020 :)