The graduate management education council (gmec) reported a population mean gmat score of 500. assume that the population standard deviation is 95. what is the probability that a random sample of 59 students will provide a sample mean gmat score within 12 units of the population mean? round your answer to four decimal places.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Identify the number as a rational or irrational. explain. 127

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)