Solutions Probability

Solution) The following table gives participation in selected sports activities in 1998, in thousands, for per

Question: The following table gives participation in selected sports activities in 1998, in thousands, for persons living in the U.S. age 7 or older.

Sport	Walking	Swimming	Exercise Equipment	Bicycle Riding	Basketball	Golf	Total
Male	28,368	26,993	21,424	22,937	20,166	21,757	141,645
Female	49,278	31,256	24,721	20,598	9,251	5,739	140,843
Total	77,646	58,249	46,145	43,535	29,417	27,496	282,488

a. Of those who participate in walking, what proportion are female?

b. Of those who participate in walking, what proportion are male?

c. Of those who participate in golf, what proportion are female?

d. Of those who participate in golf, what proportion are male?

e. Among the males represented in the table, find the proportion who participate in walking and find the proportion who participate in golf.

f. Compare your results from parts b, d, and e of this exploration.

g. Suppose an individual age seven or older and represented in this table is chosen at random. Are the events “person is male” and “person participates in bicycle riding” independent? Explain your answer.

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