Question
85 out of a sample of 200 randomly poled individuals voted yes on a particular ballot measure. a. Construct a 90% condence level for the
85 out of a sample of 200 randomly poled individuals voted yes on a particular ballot measure.
a. Construct a 90% condence level for the true population proportion.
b. Construct a 99:5% CI for the same group.
c. The measure would pass if more than half the voting population said yes. Does the survey suggest that measure would pass at the 90%? how about at the 99:5% confidence level.
2. Among the 2,134 workers surveyed, 47 percent of college students graduates did not find a job that was related to their college major. What's more, 32 percent college grads said that they had never worked in a job related to their major. Construct intervals for the true proportion of college graduates who's job was not related to their major, and college grads who have never worked at a job related to their major. Use 98% condense level.
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