A magazine has reported on the gender gap that exists between
married spouses. One of the measures is the number of women who
outearn their husbands. According to a study conducted by an
organization for labor statistics, 35.5% of female spouses in a
certain state outearn their male counterparts. The accompanying
table contains the incomes of 75 married couples in one of the
state's major cities. Complete parts a through d below.
Note for question d
▼
does not seem
seems
▼
high.
low.
a. Determine the number of families in which the female outearns her husband. The female outearns her husband in of the families. (Round to the nearest whole number as needed.) b. Calculate the expected number of female spouses who outearn their male counterparts in the sample of 75 married couples based on the organization for labor statistics study. The expected number of female spouses who outearn their male counterparts is (Round to the nearest whole number as needed.) c. If the percentage of married women in this city who outearn their male spouses is the same as that indicated for the state by the organization for labor statistics, determine the probability that at least the number found in part a would occur. The probability is (Round to four decimal places as needed.) d. Based on your calculation in part c, does the organization for labor statistics percentage seem plausible if this city is not different from the rest of the state's cities? The organization for labor statistics percentage plausible, because the probability in part c is
A magazine has reported on the gender gap that exists between married spouses. One of the measures is the number of wome
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