Please help me with this The pe rcentage of employees who are over age 50 and ha

Question

Please help me with this

The pe rcentage of employees who are over age 50 and have high blood pressure is A) 15.0% (72480). B) 32.1% (I54/480). C) 46.8% (72/I54) D) 31.6% (59/187· E) 36.9% (72/19s). Sased on age, clients were categorized according to where the largest percentage of their retirement portftblie was invested. The table below summarized the data. A full service brokerage firm gathered information on how their clients were investing for retirement. Age 50 or Over Total Younger Age 50 Mutual Funds Stocks Bonds Total 30 37 19 86 34 45 23 102 188 64 82 42 8) Identify the variables and tell whether each is categorical or quantitative. 9) Find each of the following percentages a. What percent of the clients are over age 50 who invest in mutual funds? b. What percent of clients over age 50 invest in mutual funds? c. What percent of the mutual fund investors are over age 50? 10) What is the marginal distribution of age? 11) Write a sentence or two about the conditional relative frequency distribution of mode of investment for clients age 50 or younger.

Explanation / Answer

6.

There are 375 people who owned Japnese car previously out of 1268 poeple so required relatiove frequency is

375 / 1268 = 0.296 = 29.6%

hence, option C is correct.

7.

There are 72 peopel out of 480 that has high blood pressure and over age 50 so required percentage is

72 / 480 = 0.15 = 15%

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