Question

The test statistic of z = −1.67 is obtained when testing the claim that p = 2/3.

**a.** Using a significance level of α = 0.01, find
the critical value(s).

**b.** Should we reject Ho or should we fail to
reject Ho?

**a.** The critical value(s) is/are z =

(Round to two decimal places as needed. Use a comma to separate answers as needed.)

Answer #1

The null and alternate hypothesis are:

H0:

Ha:

a)

Since this is a two-tailed test, the critical values are:

b)

We reject the null hypothesis is the test statistic value is either less than -2.58 or greater than 2.58

Since the test statistic -1.67 does not lie in this region, so we do not have sufficient evidence to reject H0. Thus we fail to reject H0.

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page 1 of the standard normal distribution table. LOADING... Click
here to view page 2 of the standard normal distribution table.
LOADING... a. The critical value(s) is/are zequals=nothing.
(Round to two decimal places as needed. Use...

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a. Using a significance level α=0.01 find the critical
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a. Using a significance level of α=0.05, find the critical
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b. Should we reject Upper H 0H0 or should we fail to reject
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a. Using a significance level of alpha=0.01, find the critical
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b. Should we reject Upper H 0 or should we fail to reject Upper
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a. Using a significance level of α = 0.10, find the
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b. Should we reject Upper H0 or should we fail to reject Upper
H0?
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1.) Using a significance level of
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Can someone explain how to find the answer step by step without
a calculator, I'm Completely lost with the fraction.

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