Question

Question 7 (5 points) The National Association of Realtors would like to test the hypothesis that 26% of home buyers in the state of Florida are foreigners in 2012. A random sample of 110 home buyers was selected and the number of foreigners was counted. Assume that the true proportion of home buyers that are foreigners is 0.216. Using α = 0.10, beta equals ________.

Question 7 options:

0.8615

0.7222

0.5012

0.2273

Question 8 (5 points) The critical value for a one-tail (upper) hypothesis test when the population standard deviation is known, the sample size is 30 or more, and α = 0.02 is ________.

Question 8 options:

2.05

2.33

2.575

2.96

Answer 1

0-26 (1-0.20) tto (0.216(1-0216) Question 7 In this ß= Pcholl accepted cohen it is false) P-0.26 B =P[-1.645 -1.645 x < 1.645 1,6457 B=P[ 0.1912 < p < 0.3288] =pr 0:1912-0.216 0.3288-0.946 0.216(1-0216) B = P(-0.632 <<< 2, 87,5] B = P[zz 2.875] P[72-0.638] = [6-7222 PEPE < Z < Ilo (To

In this Question 8:- Population Standard deviation is knocon Sample size is 30 or more 20.09 Cone-taily Za = 70.02 = 12.05