Question

Assume that you plan to use a significance level of α = 0.05 to test the...

Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test.

A random sampling of sixty pitchers from the National League and fifty-two pitchers from the American League showed that 19 National and 8 American League pitchers had E.R.A's below 3.5.

Seleccione una:

A. z = 22.404

B. z = 2.009

C. z = 2.612

D. z = 272.163

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Assume that you plan to use a significance level of α = 0.05 to test the...
Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test. In a vote on the Clean Water bill, 44% of the 205 Democrats voted for the bill while 42% of the 230 Republicans voted for it.
Assume that you plan to use a significance level of ΅= 0.05 to test the claim...
Assume that you plan to use a significance level of ΅= 0.05 to test the claim that p1= p2. Use the given sample sizesand numbers of successes to find the z test statistic for the hypothesis test.8)8)Information about movie ticket sales was printed in a movie magazine. Out of fifty PG-ratedmovies, 41% had ticket sales in excess of $3,000,000. Out of thirty-five R-rated movies, 17%grossed over $3,000,000.A)z =3.763B)z =2.352C)z =7.291D)z =4.704 Assume that you plan to use a significance level...
(Assume that the samples are randomly selected and independent.) Sample statistics: x 1 = 36, n...
(Assume that the samples are randomly selected and independent.) Sample statistics: x 1 = 36, n 1 = 64 and x 2 = 47, n 2 = 71; Construct a 95% confidence interval for the difference between population proportions p1 – p2 Select one: 0.368 < p1 – p2 < 0.757 -0.263 < p1 – p2 < 0.064 -0.294 < p1 – p2 < 0.757 0.399 < p1 – p2 < 0.726 2. Two independent samples are randomly selected and...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether p1>p2. The sample data are x1=125, n1=243,x2=139, and n2=307. (a) Choose the correct null and alternative hypotheses below. A. H0: p1=p2 versus H1: p1>p2 B. H0: p1=0 versus H1: p1≠0 C. H0: p1=p2 Versus H1: p1 D.H0: p1=p2 versus...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether p 2p1>p2. The sample data are x1=118, n1=254,x2=134, and n2=303. (a) Choose the correct null and alternative hypotheses below. A. H0: p1=p2 Versus H1: p1 B. H0: p1=p2 versus H1: p1≠p2 C. H0: p1=0 versus H1: p1≠0 D. H0:...
Conduct the following test at the α=0.05 level of significance by determining ​(a) the null and...
Conduct the following test at the α=0.05 level of significance by determining ​(a) the null and alternative​ hypotheses, ​(b) the test​ statistic, and​ (c) the​ P-value. Assume that the samples were obtained independently using simple random sampling. Test whether p1≠p2. Sample data are x1=30​, n1=254​, x2=38​, and n2=302. A. Determine the null and alternative hypotheses. Correct the answer below: A. H0: p1 = p2 versus H1: p1≠p2 B.H0: p1=0 versus H1: p1=0 C.H0: p1=p2 versus H1: p1<p2 D.H0: p1= p2...
You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.       Ho:p1=p2Ho:p1=p2       Ha:p1<p2Ha:p1<p2...
You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.       Ho:p1=p2Ho:p1=p2       Ha:p1<p2Ha:p1<p2 You obtain 92.6% successes in a sample of size n1=759n1=759 from the first population. You obtain 96.3% successes in a sample of size n2=269n2=269 from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. What is the test statistic for this sample? (Report answer accurate to...
You wish to test the following claim (H1) at a significance level of α=0.05.       Ho:p1=p2       H1:p1>p2...
You wish to test the following claim (H1) at a significance level of α=0.05.       Ho:p1=p2       H1:p1>p2 You obtain 43.1% successes in a sample of size n1=800from the first population. You obtain 33.1% successes in a sample of size n2=236 from the second population. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is......
You wish to test the following claim (Ha) at a significance level of α=0.05.       Ho:p1=p2       Ha:p1>p2...
You wish to test the following claim (Ha) at a significance level of α=0.05.       Ho:p1=p2       Ha:p1>p2 You obtain a sample from the first population with 74 successes and 143 failures. You obtain a sample from the second population with 80 successes and 282 failures. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. 1. What is the test statistic for this sample? (Report answer accurate...
You wish to test the following claim (Ha) at a significance level of α=0.002.       Ho:p1=p2,...
You wish to test the following claim (Ha) at a significance level of α=0.002.       Ho:p1=p2, Ha:p1≠p2 You obtain 344 successes in a sample of size n1=510 from the first population. You obtain 169 successes in a sample of size n2=216from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. What is the z-score of the critical value? (Report answers accurate to...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT