Question

10. Assume that the significance level is α=0.05. Use the given statement and find the P-value and critical value(s).The test statistic of z= −1.85 is obtained when testing the claim that p=1/5.

P-values= ___

(Round to four decimal places as needed.)

The critical value(s) is/are z=_____

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

11. Assume that the significance level is α=0.01. Use the given information to find the P-value and the critical value(s).

With H1: p≠23, the test statistic is z=−1.14.

P-values=____

(Round to four decimal places as needed.)

Answer #1

10)

p-value = 2 * P(Z < z) ( 2 is multiplied to probability since this is two tailed test)

= 2 * P( Z < -1.85)

= 2 * ( 1 - P (Z < 1.85) )

= 2 * ( 1 - 0.9678) (Probability calculated from Z table)

= **0.0644**

Z critical values are **-1.96 , 1.96**

11)

p-value = 2 * P(Z < z) ( 2 is multiplied to probability since this is two tailed test)

= 2 * P( Z < -1.14)

= 2 * ( 1 - P (Z < 1.14) )

= 2 * ( 1 - 0.8729) (Probability calculated from Z table)

= **0.2572**

Z critical values are **-2.58, 2.58**

Assume that the significance level is α=0.05. Use the given
information to find the P-value and the critical value(s).With
H1: p≠23, the test statistic is z=−1.79.
a. P-value=.____
b. The critical value(s) is/are _____.

Assume that the significance level is a = 0.05 Use the given
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With H1: p≠1/5 , the test statistic is z = −1.75
P value round to the 4th decimal place
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With
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H0:μ ≤ 38
H1: μ > 38
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a. The z-test statistic is What? . (Round to two decimal
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The critical z-score(s) is(are) What? . (Round to two decimal
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Can someone explain how to do this on TI-84 calculator?

Consider the following hypothesis statement using α= 0.10 and
data from two independent samples. Assume the population variances
are equal and the populations are normally distributed. Complete
parts a and b.
H0: μ1−μ2≤11 x1=66.8 x2=54.3
H1: μ1−μ2>11 s1=19.1 s2=17.7 \
n1=19 n2=21
a. Calculate the appropriate test statistic and interpret the
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The test statistic is . (Round to two decimal places as
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The critical value(s) is(are) . (Round to two decimal places
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