Which distribution would be used to find the multiplier for this confidenceinterval?Select one:а.t-distribution with df = 250 + 400 - 2%3Db. standard normal distributionС.t-distribution with df = 399 A random sample of upperclassmen (juniors, seniors) and a random sample oflowerclassmen (freshman, sophomores) were asked if they use study groups forany of their classes. 157 (63%) out of 250 upperclassmen and 232 (58%) out of400 lowerclassmen reported using study groups. Suppose all the assumptionsfor conducting the hypothesis test are met.

Answered: Which distribution would be used to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Which distribution would be used to find the multiplier for this confidence interval? Select one: a. t-distribution with df = 250 + 400 - 2 b. standard normal distribution С. t-distribution with df = 399