Answered: 1. Find the p-values for the following…

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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I’m feeling confused on question one and two

Transcribed Image Text:1. Find the p-values for the following using the given information, assume alpha is 0.10; state whether you "fail to reject" or "reject" Ho in each case. a. The test statistic in a two-tailed test is Z = -2.33 b. The test statistic in a left-tailed test is Z = -1.25 2. The TeRn Downe 4 Whot! Alarm Clocks Company was trying to find the proportion of its customers who would buy their brand of alarm clocks again. If they want to be within 4 percentage points of the population proportion, how many former customers would they need to survey, given a confidence level of 98%? ) What is the maximum error? What is the sample size? a. b. 3. The "Dhah BoiZ!" Group, an information management conglomerate, needed to find how many news broadcasts to sample to be within 0.001 of the mean. If they had an o equal to 0.02 broadcasts and a confidence level of 95%, find the sample size needed. What is the maximum error, and how did you find it? What are the critical values (z) and the confidence level? What is the sample size? a. 4. (2pts. au..) Set up the 'Ho' and 'Ha' statements for the following, and draw the bell curves showing the "rejection" or the "fail to reject" (accept) onos for onoh auectin Ps Lr Lr ** ) * 8 9 delete

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