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 is would use for this test. Ho: O H₁: O μ ô Oso |x X X O < 0=0 0*0 p S <0 020

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 standare
deviation of 15.4. The management of the bank suspects that the standard deviation exceeds 15.4. 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 is
would use for this test.
Ho: O
H₁: 0
μ
5
OSO
ローロ
X
X
a
>
*
3
р
S
20
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 standare deviation of 15.4. The management of the bank suspects that the standard deviation exceeds 15.4. 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 is would use for this test. Ho: O H₁: 0 μ 5 OSO ローロ X X a > * 3 р S 20
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