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prxncekevin
09.08.2019 •
Mathematics
The test statistic of zequalsnegative 2.44 is obtained when testing the claim that pequals2 divided by 3. a. using a significance level of alphaequals0.10, find the critical value(s). b. should we reject upper h 0 or should we fail to reject upper h 0?
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Ответ:
Step-by-step explanation:
Given that The test statistic of zequalsnegative 2.44 is obtained when testing the claim that pequals2 divided by 3
Hypothesis is
H0:p = 2/3
Ha:p not equals 2/3
(Two tailed test for proportions)
Alpha =0.10
For 90% confidence level Z critical = ±1.645
Test statistic = -2.44
This lies outside (-1.645, 1.645)
Hence reject null hypothesis
b) We should reject null hypothesis.
Ответ:
d.233 is the answer
Step-by-step explanation:
hope it helps you