Which relationship must be true to be able to use a normal distribution to find the margin of error for a data set with a sample proportion P and a sample size n?
A. np > 30
B. n(1 – P) ? np
C. n(1 - P) > 10
D. np < 10

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955