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One-Proportion Z-Test

APSTAT-FT1PLE

The landlord of a $16$-story apartment building is curious if his tenants are happy with the current temperature in the building.

He surveys the first floor and finds that $26$ out of the $40$ tenants are happy with the current temperature. Suppose the landlord wanted to perform a one-proportion z-test.

Which of the conditions are violated for this procedure?

A

The population is not at least $10$ times the sample.

B

The sampling distribution is not approximately normal.

C

The expected counts are not more than $5$.

D

The sample is too small.

E

The data does not come from an SRS.