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Mathematics, 17.05.2021 07:40 edjiejwi

A. Suppose that 61% of residents in a certain city own at least one pet. You select a random sample of 40 city
residents. Let Ø - the proportion of city residents in your sample that own at least one pet. What is the
standard deviation of the sampling distribution of P and what does it mean?
In SRSs of size 40 from the population of city residents, the proportion of residents that
own at least one pet in the sample will typically vary by about 0.006 from the true
proportion of 0.61.
b. In SRSs of size 40 from the population of city residents, the proportion of residents that
own at least one pet in the sample will typically vary by about 0.077 from the true
proportion of 0.61.
c. In SRSs of size 40 from the population of city residents, the proportion of residents that
own at least one pet in the sample will typically vary by about 0.238 from the true
proportion of 0.61.
d. In SRS of size 40 from the population of city residents, the proportion of residents that
own at least one pet in the sample will typically vary by about 0.488 from the true
proportion of 0.61.

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A. Suppose that 61% of residents in a certain city own at least one pet. You select a random sample...
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