Suppose that many large samples are taken from a population and that the sample proportions are normally distributed, with a mean of 0.22 and a standard error of 0.029. What is the 99.7% confidence interval?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent