Question
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Upper H 0 : p equals 0.87 versus Upper
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test.
Upper H 0 : p equals 0.87 versus Upper H 1 : p0.85
n-= 500 ,x =420 ,=0.01
np 0 left parenthesis 1 minus p 0 right parenthesis greater than or equals 10np01p010 ?
Select the correct choice below and fill in the answer box to complete your choice.
(Type an integer or a decimal. Do not round.)
A. No, because
np 0 left parenthesis 1 minus p 0 right parenthesisnp01p0equals=nothing.
B. Yes, because
np 0 left parenthesis 1 minus p 0 right parenthesisnp01p0equals=nothing
ModifyingAbove p with caretpequals=nothing
(Type an integer or a decimal. Do not round.)
Find the test statistic
z 0z0.
z 0z0equals=nothing
(Round to two decimal places as needed.)
Find the P-value.
P-valueequals=nothing
(Round to three decimal places as needed.)
State the conclusion of the hypothesis test.
Reject the null hypothesis,
Do not reject the null hypothesis,
because the P-value is
greater
less
than
alpha.
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