Chapter 9, Problem 1DHGP

(a)

To determine

The null and alternative hypothesis.

(b)

To determine

The level of significance.

(c)

To determine

To explain: The number of customer’s n is large enough to use the normal distribution to approximate the binomial.

(d)

To determine

To test: The percentage of customers who sample a particular product is more than 60%.

(e)

To determine

Whether the different food products might have a higher or lower percentage of customers trying them.

(f)

To determine

Whetherwecan includeyoungchildreninoursample.