A) Ha: 2 50 B Ha: # + 50 D Ha: # <50 Ha: > 50

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.9: Dividing Real Numbers
Problem 12MRE
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The average baptismal ceremony includes 50 guests with a standard deviation of 10. A random sample of 32 baptismal
ceremonies during the past year in the NCR had a mean of 53 guests. Is there sufficient evidence at 5% level of significance
that the average number of guests differs from the national average?
Transcribed Image Text:The average baptismal ceremony includes 50 guests with a standard deviation of 10. A random sample of 32 baptismal ceremonies during the past year in the NCR had a mean of 53 guests. Is there sufficient evidence at 5% level of significance that the average number of guests differs from the national average?
A Ha: 2 50
B
C
D
Ha: 50
Ha: // <50
Ha: >50
Transcribed Image Text:A Ha: 2 50 B C D Ha: 50 Ha: // <50 Ha: >50
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