zazzles88151
03.03.2020 •
Mathematics
An aspiring venture capitalist is interested in studying early-stage companies. She claims that the proportion of new businesses that earn a profit within the first two years of operation is more than 18%. If the venture capitalist chooses a 10% significance level, what is/are the critical value(s) for the hypothesis test
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Ответ:
The critical value is 6.314
Step-by-step explanation:
Null hypothesis: The proportion of businesses that earn a profit within the first two years of operation is 80%
Alternate hypothesis: The proportion of businesses e earn a profit within the first two years of operation is greater than 18%
The hypothesis test has one critical value because it is a one-tailed test. It is a one-tailed test because the alternate hypothesis is expressed using the inequality, greater than.
n = 2
degree of freedom = n - 1 = 2 - 1 = 1
significance level = 10%
Using the t-distribution table, critical value corresponding to 1 degree of freedom and 10% significance level is 6.314.
Ответ: