SOLUTION: Assume that the significance level is a = 0.1. Use the given information to find the P-value and the critical value(s).The test statistic of z=1.41 is obtained when testing the cla
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Question 915809: Assume that the significance level is a = 0.1. Use the given information to find the P-value and the critical value(s).The test statistic of z=1.41 is obtained when testing the claim that p>0.3.
P value =
The critical value(s) is/are z=
Found 2 solutions by ewatrrr, stanbon:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Ho: p ≤ 0.3
Ha: p > 0.3 (claim)
test stat: z = 1.41
.10 significance level, one-tailed
critical value = z = invNorm(.90) = 1.2845
P(z > 1.2845)...(area under the standard normal curve to the right of blue line represents the critical area)
1.41 > 1.28, reject Ho, accept claim
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Assume that the significance level is a = 0.1. Use the given information to find the P-value and the critical value(s).The test statistic of z=1.41 is obtained when testing the claim that p>0.3.
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Since the altenate hypothesis is p > 0.3, you have a right-tail test.
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Since the z-value for p = 0.3 is z = 1.41,
P value = P(z > 1.41) = normalcdf(1.41,100) = 0.0793
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The critical value(s) is z = invNorm(0.99) = 2.3263
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Cheers,
Stan H.
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