Small-business telephone users were surveyed 6 months after access to carriers other than Carrier A became available for wide-area telephone service. Of a random sample of 230 Carrier A users, 159 said they were attempting to learn more about their options, as did 188 of an independent random sample of 270 users of altermate carriers Test, at the 5% significance level agent a two-sided alternative, the null hypothesis that the two population proportions are the same. a standard normal distribution table. Let P, be the proportion of Carrier A users who said they were attempting to leam more about their options and P, be the proportion of users of alternate cammers who said they were attempting to learn more about their options. Determine the null and alterative hypotheses. Choose the correct answer below. Ho: P.-Py=0 H₁: P.-Py #0 OD. Ho: P.-Py =0 H₁ PP, so OBH: P, -Py=0 H₂P-Py 20 OE H₂P, -Py=0 HP, -PO The test statistic is 2- (Round so two decimal places as needed.) The critical value(s) is(are) (Round to two decimal places as needed. Use a comma to separate answers as needed.) reject Since the test statistic is not more extreme than the critical value(s). proportions OH₂ P.-Py 0 H₂P₁-Py
Small-business telephone users were surveyed 6 months after access to carriers other than Carrier A became available for wide-area telephone service. Of a random sample of 230 Carrier A users, 159 said they were attempting to learn more about their options, as did 188 of an independent random sample of 270 users of altermate carriers Test, at the 5% significance level agent a two-sided alternative, the null hypothesis that the two population proportions are the same. a standard normal distribution table. Let P, be the proportion of Carrier A users who said they were attempting to leam more about their options and P, be the proportion of users of alternate cammers who said they were attempting to learn more about their options. Determine the null and alterative hypotheses. Choose the correct answer below. Ho: P.-Py=0 H₁: P.-Py #0 OD. Ho: P.-Py =0 H₁ PP, so OBH: P, -Py=0 H₂P-Py 20 OE H₂P, -Py=0 HP, -PO The test statistic is 2- (Round so two decimal places as needed.) The critical value(s) is(are) (Round to two decimal places as needed. Use a comma to separate answers as needed.) reject Since the test statistic is not more extreme than the critical value(s). proportions OH₂ P.-Py 0 H₂P₁-Py
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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Transcribed Image Text:Small-business telephone users were surveyed 6 months after access to carriers other than Carrier A became available for wide-area telephone service. Of a random sample of 230 Carrier
A users, 159 said they were attempting to learn more about their options, as did 188 of an independent random sample of 270 users of altermate carriers Test, at the 5% significance level against
a two-sided alternative, the null hypothesis that the two population proportions are the same.
a standard normal distribution table.
Let P, be the proportion of Carrier A users who said they were attempting to leam more about their options and P, be the proportion of users of alternate cammers who said they were attempting to
learn more about their options. Determine the null and alterative hypotheses. Choose the correct answer below.
Ho: P.-Py=0
H₁: P.-Py #0
OD. Ho: P.-Py=0
H₁ P-P 50
OBH: P, -Py-0
H₁: Py-Py 20
OEHP, -Py-0
HP, -PO
The test statistic is 2-
(Round two decimal places as needed.)
The critical value(s) is(are)
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Since the test statistic is not more extreme than the critical value(s).
proportions
O Ho P, -Py 0
H₂/P₁-Py <D
од њP;-Руко
H₂P₂-P0
reject Ho. There is insufficient evidence to conclude that there is a difference between the two population
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