Question

A manager for an insurance company believe that customers have the following preferences for life insurance for life insurance products:

30% prefer whole life,

20% prefer universal life, and

50% prefer life Annuities. The results of a survey of 230 customers were tabulated. Is it possible to refute the sales manager's claimed proportions of customers who prefer each product using the data?  

product	number
whole	85
universal	38
annuities	107

1)state the null and alternative hypothesis.

2)what does the null hypothesis indicate about the proportions of customers who prefer each insurance product?

3)find the value of the test statistic (three decimal.

4)find the degree of freedom associated with the test statistic for this problem.

Answer 1

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