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mystaxkkks
14.07.2020 •
Mathematics
A human resources representative claims that the proportion of employees earning more than $50,000 is less than 40%. To test this claim, a random sample of 700 employees is taken and 305 employees are determined to earn more than $50,000.The following is the setup for this hypothesis test:{H0:p=0.40Ha:p<0.40Find the test statistic for this hypothesis test for a proportion. Round your answer to 2 decimal places.
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Ответ:
The statistic for this case would be:
And replacing we got:
Step-by-step explanation:
For this case we have the following info:
We want to test the following hypothesis:
Nul hyp.![p \leq 0.4](/tpl/images/0705/9319/94aa9.png)
Alternative hyp :![p0.4](/tpl/images/0705/9319/06f59.png)
The statistic for this case would be:
And replacing we got:
And the p value would be given by:
Ответ:
It's the last choice: -5.81
Step-by-step explanation: