The test statistic of z = −3.16 is obtained when testing the claim that pequals=4 divided...

Question

Question

The test statistic of z = −3.16 is obtained when testing the claim that pequals=4 divided by 74/7.

a. Using a significance level of alphaαequals=0.100.10, find the critical value(s).

b. Should we reject Upper H 0H0 or should we fail to reject Upper H 0H0?

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

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

math Statistics-And-Probability

Answer 1

Answer #1

Solution:

a) At , the critical value of z is

b) test statistic (-3.16) < critical value (-1.28)

So,fail to reject upper H0.

Answer 2

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