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A researcher claims that the proportion of smokers in a certain city is less than20% . To test this claim, a random sample of700 people
A researcher claims that the proportion of smokers in a certain city is less than20%
. To test this claim, a random sample of700
people is taken in the city and150
people indicate they are smokers.
The following is the setup for this hypothesis test:
H
0
:p=0.20
H
a
:p<0.20
In this example, the p-value was determined to be0.828
.
Come to a conclusion and interpret the results for this hypothesis test for a proportion (use a significance level of5%
)
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