Homework Answers
It is a both tailed test.
Test statistic is = 1.70
So, from table we get p-value = 0.089
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For a test of Ho: p=0.50, the z test statistic equals 1.70. Use this information to...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to complete parts (a) through (d) below. a. Find the P-value for He: p>0.50. (Round to three decimal places as needed.) b. Find the P-value for H, :p*0.50 (Round to three decimal places as needed.) c. Find the P-value for He:p<0.50. (Hint: The P-values for the two possible one-sided tests must sum to 1.) (Round to three decimal places as needed.) d. Do any of...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
For a test of population proportion H0: p = 0.50, the z test statistic equals 1.16....
For a test of population proportion H0: p = 0.50, the z test statistic equals 1.16. Use 3 decimal places. (a) What is the p-value for Ha: p > 0.50? (b) What is the p-value for Ha: p ≠ 0.50? (c) What is the p-value for Ha: p < 0.50? (Hint: The p-values for the two possible one-sided tests must sum to 1.) (d) Which of the p-values give strong evidence against H0? Select all that apply. The p-value in...
For a test of H0: p = 0.50, the z test statistic equals 1.04. Use 3...
For a test of H0: p = 0.50, the z test statistic equals 1.04. Use 3 decimal places. (a) What is the p-value for H: p > 0.50? (b) What is the p-value for H: p 0.50? (c) What is the p-value for H: p < 0.50? (Hint: The p-values for the two possible one-sided tests must sum to 1.) (d)Which of the p-values give strong evidence against H0?Select all that apply. 1.The p-value in (a). 2.The p-value in (b)....
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide...
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Hy for the given level of significance a. Two-tailed test with test statistic zs - 2.26 and 0.03 P-value = (Round to four decimal places as needed.) State your conclusion O Fail to reject Ho Reject Ho O
The test statistic of z= -2.97 is obtained when testing the claim that p<0.79. a. Using...
The test statistic of z= -2.97 is obtained when testing the claim that p<0.79. a. Using a significance level of a = 0.10, find the critical value(s). b. Should we reject Hy or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z=0 (Round to two decimal places as needed. Use a comma to...
The test statistic of z= 1.27 is obtained when testing the claim that p>0.7. a. Identify...
The test statistic of z= 1.27 is obtained when testing the claim that p>0.7. 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 a = 0.05, should we reject H, or should we fail to reject H,? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a right-tailed test. b....
1. Identify the test statistic. Z=_____(Round to two decimal places as needed.) Identify the P-value. P=_____(Round...
1.
Identify the test
statistic.
Z=_____(Round to two decimal places as needed.)
Identify the P-value.
P=_____(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is (1)_____ the significance level of α=0.05, so
(2)_____ the null hypothesis. There (3)_____ evidence to warrant
rejection of the claim that women and men have equal success in
challenging calls.
b. Test the claim by constructing an appropriate confidence
interval.
The 95% or 99% confidence interval...
Find the P value for the indicated hypothesis test with the given standardized test statistic z...
Find the P value for the indicated hypothesis test with the given standardized test statistic z Decide whether to reject Ho for the given level of significance ? Right-tailed test with test statistic z-1.55 and ?-0.04 P-value(Round to four decimal places as needed.) State your conclusion O Reject Ho O Fail to reject Ho
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has...
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 272. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 34. At a=0.14, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H, and...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to complete parts (a) through (d) below. a. Find the P-value for He: p>0.50. (Round to three decimal places as needed.) b. Find the P-value for H, :p*0.50 (Round to three decimal places as needed.) c. Find the P-value for He:p<0.50. (Hint: The P-values for the two possible one-sided tests must sum to 1.) (Round to three decimal places as needed.) d. Do any of...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Hy for the given level of significance a. Two-tailed test with test statistic zs - 2.26 and 0.03 P-value = (Round to four decimal places as needed.) State your conclusion O Fail to reject Ho Reject Ho O
The test statistic of z= -2.97 is obtained when testing the claim that p<0.79. a. Using a significance level of a = 0.10, find the critical value(s). b. Should we reject Hy or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z=0 (Round to two decimal places as needed. Use a comma to...
The test statistic of z= 1.27 is obtained when testing the claim that p>0.7. 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 a = 0.05, should we reject H, or should we fail to reject H,? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a right-tailed test. b....
1.
Identify the test
statistic.
Z=_____(Round to two decimal places as needed.)
Identify the P-value.
P=_____(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is (1)_____ the significance level of α=0.05, so
(2)_____ the null hypothesis. There (3)_____ evidence to warrant
rejection of the claim that women and men have equal success in
challenging calls.
b. Test the claim by constructing an appropriate confidence
interval.
The 95% or 99% confidence interval...
Find the P value for the indicated hypothesis test with the given standardized test statistic z Decide whether to reject Ho for the given level of significance ? Right-tailed test with test statistic z-1.55 and ?-0.04 P-value(Round to four decimal places as needed.) State your conclusion O Reject Ho O Fail to reject Ho
A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 272. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviation is 34. At a=0.14, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify H, and...
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