Choose an optionO We are 95% confident that the average age of cilents with recently pald policies is between 76.5 and 807 yearsO We are 95% confident that the average age of clients with recently pald policies is between 76.9 and 80.3 year.O None of the statements applyO We are 90% confident that the average age of clients with recently pald policies is between 76.5 and 80.7 yEarsO The average age of Prudential Insurance policyholders is between 76.5 and 80.7 years old

Insurance companies track life expectancy information to assist in determining the cost of life insurance policies. Last year the average life expectancy of all policyholders was 78 years. Prudential Insurance wants to determine if their clients now have a longer life expectancy, on average, so they randomly sample some of their recently paid policies. The ages of the clients in the sample are shown below. 86 75 83 84 81 77 78 79 79 81 76 85 70 76 79 81 73 74 72 83 Sample mean - 78.6 years Sample Std Dev - 4.48 years Based upon these sample results, find the 95% confidence interval and interpret