Mathematics, 26.10.2019 18:43 slicknikk
Areal estate agent is working for a developer who claims that the average commute time to downtown is 20 minutes with a standard deviation of 7 minutes. stephon is an independent real estate agent and wants to check the times for his client. he took a random sample of 15 commute times and found an average of 26 minutes. he did hypothesis testing using a significance level of 5%. which conclusion could he make?
the z-statistic is 0.22, so the null hypothesis should not be rejected.
the z-statistic is 1.69, so the null hypothesis should not be rejected.
the z-statistic is 3.32, so the null hypothesis should be rejected.
the z-statistic is 3.67, so the null hypothesis should be rejected.
Answers: 1
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Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective
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Mathematics, 21.06.2019 19:30
In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.
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