1st question According to a toy business, at least 80% of girls under the age of eight prefer dolls to otherforms of toys. We believe that this allegation is exaggerated after observing the purchasing patterns ofmany girls under the age of eight. To disprove this notion, we study the purchasing patterns of 20randomly selected girls under the age of eight, and we count X, the number of girls who purchasestuffed toys. We want to see if HO: p = 0.8 holds up against H1: p 0.8. Let's say we decide to accept HO ifx> 12 (i.e. X 13). This suggests that if X 12 (I.e. X 13) is true, we will reject HO.a. Find the rejection region of the form a = 0.05%3D

We have given that Sample size n = 20 Population proportion p=80%=0.80

Answered: question According to a toy business,…

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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6
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