Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 9 14 5 Find the value of the test statistic. 12 What are the hypotheses for this test? Let μ be the Ho: Ha ▼0 H₁: Pa ▼0 12 14 12 11 t= (Round to three decimal places as needed.) 4 6 60 13 in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Identify the critical value(s). Select the correct choice below and fill the answer box within your choice. (Round to three decimal places as needed.)
Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 9 14 5 Find the value of the test statistic. 12 What are the hypotheses for this test? Let μ be the Ho: Ha ▼0 H₁: Pa ▼0 12 14 12 11 t= (Round to three decimal places as needed.) 4 6 60 13 in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Identify the critical value(s). Select the correct choice below and fill the answer box within your choice. (Round to three decimal places as needed.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following
13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not
affected.
Friday the 6th:
Friday the 13th:
9
14
5
12
What are the hypotheses for this test?
Let μ be the
Ho: Hd
▼0
H₁: Ha
▼0
12
14
12
11
Find the value of the test statistic.
t= (Round to three decimal places as needed.)
4
6
6
13
(
in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data.
Identify the critical value(s). Select the correct choice below and fill the answer box within your choice.
(Round to three decimal places as needed.)
Transcribed Image Text:Identify the critical value(s). Select the correct choice below and fill the answer box within your choice.
(Round to three decimal places as needed.)
OA. The critical values are t = +
B. The critical value is t =
State the result of the test. Choose the correct answer below.
B.
O A. There is not sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions appear to be affected.
There is sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions do not appear to be affected.
There is not sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions do not appear to be affected.
D. There is sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions appear to be affected.
O c.
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