Use the following information to answer the next five exercises: Suppose the marketing company did a survey. They randomly surveyed 200 households and found that in 120 of them, the woman made the majority of the purchasing decisions. We are interested in the population proportion of households where women make the majority of the purchasing decisions.

64. Identify the following: a. x = ______ b. n = ______ c. p = ______

66. Which distribution should you use for this problem?

68. List two difficulties the company might have in obtaining random results, if this survey were done by email.

The formulas you need to answer part of 64 and 66.

64.c.

q = 1 - p

66.How to show the distribution? Remember that a Normal Distribution is X~N(,)?

For a Population Proportion - normal distribution is p~N(p, pq/n)

Now, you just need to replace the symbols by the values presented on the problem.