The human resources department of a large investment bank announced that the number of people it interviews monthly has a mean of 115 with a variance of 243.36. The management of the bank suspects that the variance exceeds 243.36. Suppose that the management wants to take a small sample of months and carry out a hypothesis test to see if its suspicions have support. State the null hypothesis Ho and the alternative hypothesis H, that it would use for this test. Españo P Ho: O H: 0 Р P S OSO Check esc ! 1 ← @ 3) N 2 W → # 3 e (D C $ 4 axl r X 口口 +0 D % 5 $ < N 2 T acer Oll A t 6 y O & 81 7 Ⓒ2022 M U * 8 國民□□□ 100 8 00 E

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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The human resources department of a large investment bank announced that the number of people it interviews monthly has a mean of 115 with a variance of
243.36. The management of the bank suspects that the variance exceeds 243.36. Suppose that the management wants to take a small sample of months and
carry out a hypothesis test to see if its suspicions have support. State the null hypothesis H, and the alternative hypothesis H, that it would use for this test.
Españo
P
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81
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Transcribed Image Text:The human resources department of a large investment bank announced that the number of people it interviews monthly has a mean of 115 with a variance of 243.36. The management of the bank suspects that the variance exceeds 243.36. Suppose that the management wants to take a small sample of months and carry out a hypothesis test to see if its suspicions have support. State the null hypothesis H, and the alternative hypothesis H, that it would use for this test. Españo P Ho: O H: 0 Р P S 09 Check esc ! 1 ← @@ 2 W → # 3 e (D C $ 4 USO X r axl X C> % 5 б $ 2 t N 2 acer Oll 6 y & 81 O 7 Ⓒ2022 M U * 8 8 X
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