Question

Q1 A random sample of likely voters was asked whether they would vote for a particular proposition in the next election. The results for a yes vote were a confidence interval from 46% to 52%.

Fill in the blank: ____% of the voters surveyed said that they would vote for the proposition.

Q2

Suppose lengths of pregnancy are normally distributed with a mean of 270 days and a standard deviation of 15 days.

Using the 68-95-99.7 Rule, approximately what percentage of pregnancies have a length that is between 240 and 285 days? Round your answer to the nearest whole percent and do not include the percent symbol in your answer (so an answer of 52.7823% would be entered as 53).

Answer 1