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1. if your test statistic is 2.12 and you are working with an alpha level of...

1. if your test statistic is 2.12 and you are working with an alpha level of .10, what will your decision be?

Reject Ho

Do not reject Ho

2. If your test statistic is 2.12 and you are working with an alpha level of .05, what will your decision be?

Reject Ho

Do not reject Ho

3. If your test statistic is 2.12 and you are working with an alpha level of .01, what will your decision be?

Reject Ho

Do not reject Ho
math   Statistics-And-Probability   
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Answer #1

Solution

Given that,

test statistic = z = 2.12

P(Z > 2.12)

= 1 - P( Z < 2.12)

= 1 - 0.9830

p-value = 0.0170

1) = 0.10

Reject Ho, because p-value < 0.10

2) = 0.05

Reject Ho, because p-value < 0.05

3) = 0.01

Do not reject Ho, because p-value > 0.01

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