Mathematics, 16.04.2021 19:10 xchainq
A community organization wishes to know the proportion of subjects who feel financially comfortable in a certain town.
Based on last year's census, 64% of the residents in this town felt financially comfortable. In this year's survey 56 out of 115 randomly chosen subjects felt financially comfortable. comfortable.
If indeed the residents' economic opinions have NOT changed from last year, what's the probability of getting a survey of size n = 115, where 56 or fewer subjects say they feel financially comfortable?
a. 0.0006
b. 0.0003
c. 0.3245
d. 0.0927
e. 0.9997
Answers: 1
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