3 Among 500 Marriage License Applications Chosen At Random In A Given Year The Were 18 Of Which The Woman Was At Leas 1 (25.39 KiB) Viewed 100 times
3 Among 500 Marriage License Applications Chosen At Random In A Given Year The Were 18 Of Which The Woman Was At Leas 2 (25.39 KiB) Viewed 100 times
(3) Among 500 marriage license applications chosen at random in a given year, the were 18 of which the woman was at least one year older than the man and among 400 marriage license applications chosen at random six years later, there were 68 of which the woman was at least one year older than the man (a) Construct a 90% confidence interval for the difference between the corresponding true proportions of marriage license applications in which the woman wat least one year older than the man (b) What can we say with 90% confidence about the maximum error if we use the difference between the observed sample proportions as an estimate of the difference between the corresponding true proportions? Can we assert that the true proportion of woman who was at least one year older than the man has increased over the 6 years?
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