The National Survey of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was What do you think are the chances you will be married in the next ten years?Here is a two-way table of the responses by sex:8 Female Male Almost no chance 119 103 Some chance, but probably not 150 171 A 50-50 chance 447 512 A good chance 735 710 Almost certain 1174 756 Exercises 6.9 to 6.17 are based on this table. 2 Your percent from the previous exercise is part of (a) the marginal distribution of sex. (b) the marginal distribution of chance of marriage. (c) the conditional distribution of sex given chance of marriage.

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