The test statistic of z= -2.92 is obtained when testing the claim that p=3/8. a. Using...

The test statistic of z= -2.92 is obtained when testing the claim that p=3/8.

a. Using a significance level of alpha=0.05, find the critical value(s).

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

Please show how. im really confused.

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

The test statistic of z = -1.98 is obtained when testing the claim that p <...

The test statistic of z = -1.98 is obtained when testing the claim that p < 0.64. A) Using a significance level of alpha = 0.05, find the critical value(s). b. Should we reject Upper H 0 or should we fail to reject Upper H 0? Please answer A and B note For part A *(Round to two decimal places as needed. Use a comma to separate answers as needed*

The test statistic of z=1.42 is obtained when testing the claim that p does not =...

The test statistic of z=1.42 is obtained when testing the claim that p does not = 0.663. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of alphaequals0.05, should we reject Upper H 0 or should we fail to reject Upper H 0?

5. The test statistic of z=2.31 is obtained when testing the claim that p>0.3. a. This...

5. The test statistic of z=2.31 is obtained when testing the claim that p>0.3. a. This is a (two-tailed, right-tailed, left-tailed) test. b. P-value=_____ (Round to three decimal places as needed.) Choose the correct conclusion below. A.Reject Ho. There is sufficient evidence to support the claim that p>0.3. B.Reject Ho. There is not sufficient evidence to support the claim that p>0.3. C.Fail to reject Ho. There is sufficient evidence to support the claim that p>0.3. D.Fail to reject Ho. There...

The value obtained for the test statistic, z, in a one-mean z-test is given. Also given...

The value obtained for the test statistic, z, in a one-mean z-test is given. Also given is whether the test is two tailed, left tailed, or right tailed. Determine the P-value. A left-tailed test: z = -0.58 Group of answer choices 0.7190 0.4380 0.5620 0.2810

find tje test value of the test statistic z. the claim is that tje proportion of...

find tje test value of the test statistic z. the claim is that tje proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statistics include n=696 drowning deaths of children with 30% of them attributable to beaches.

Use the given claim and test statistic to find the P-value. Claim: The mean monthly rental...

Use the given claim and test statistic to find the P-value. Claim: The mean monthly rental for a studio in one city is $870. Test statistic: z = -0.76 0.5528 0.7764 0.2236 0.4472

1. For the standardized test statistic approach to hypothesis testing, calculate the test statistic for testing...

1. For the standardized test statistic approach to hypothesis testing, calculate the test statistic for testing the null hypothesis that the population mean is less than or equal to 9.29, given a sample mean of 13.90, a sample size of 35, and a population standard deviation of 3.92. Round to two decimals. 2. Using the traditional hypothesis testing approach, calculate the critical value for testing the null hypothesis that the population mean is greater than or equal to 13, given...

Find the P- value for the hypothesis test with the standardized test statistic z. Decide whether...

Find the P- value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. Two- tailed test z = 1.95 α = 0.05

Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to...

Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. ( Marks 2) Right-tailed test z = 0.52 α = 0.06

Question No 4 Find the P-value for the hypothesis test with the standardized test statistic z....

Question No 4 Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. (Marks 1.5) Left -tailed test z = -1.52 α = 0.04 A trucking firm suspects that the mean life of a certain tire it uses is less than 35,000 miles. To check the claim, the firm randomly selects and tests 18 of these tires and gets a mean lifetime of 34,450 miles with...

Subjects