Use technology to help you test the claim about the population mean, H, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed.Claim: u> 1300; a = 0.09; o = 208.67. Sample statistics: x= 1323.07, n = 250Identify the null and alternative hypotheses. Choose the correct answer below.O B. Ho: H> 1323.07ΟΑ H : με 1300Ha:H<1300Ha:HS 1323.07OC. Ho: HS 1300Ha:H> 1300O D. Ho: H2 1323.07Ha:H<1323.07OF. Ho: Hs 1323.07O E. Ho: H>1300Ha:us 1300H:u> 1323.07Calculate the standardized test statistic, z. Use the z formula.The standardized test statistic, z is-(Round to two decimal places as needed.)Determine the P-value.Hint: Keep in mind that P-value depends on the type of test.(where Area = the number from the table)Left-tailed test: P-value=AreaRight-tailed test: P-value=1-AreaTwo-tailed test: P-value=2*Area(Round to three decimal places as needed.)Compare P with a and then State your conclusion.Determine the outcome and conclusion of the test.V Ho. At the 9% significance level, thereenough evidence toV the claim.

For the given data Perform Z test for one mean

Answered: Use technology to help you test the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1260; α=0.07; σ=198.95. Sample statistics: x=1275.29, n=275 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≤1275.29 Ha: μ>1275.29 B. H0: μ≥1260 Ha: μ<1260 C. H0: μ>1275.29 Ha: μ≤1275.29 D. H0: μ≤1260 Ha: μ>1260 E. H0: μ≥1275.29 Ha: μ<1275.29 F. H0: μ>1260 Ha: μ≤
Answer part B only. Thanks!
Test the claim about the population mean, p, at the given level of significance using the given sample statistics. Claim: p=50; a =0.02; o = 3.06. Sample statistics: x 49.8, n 75 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho H 50 H2 p= 50 O C. H, p> 50 O D. Ho u 50 Ha u= 50 Ha = 50 E. Ho =50 Ha H#50 O F. Ho H=50 Ha: p< 50 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.)
Use technology to help you test the claim about the population mean, p, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: u>1170; a=0.07; o = 204.05. Sample statistics: x = 1200.26, n 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H> 1200.26 O B. H, p> 1170 Ha: ps 1200.26 Ha us1170 O C. Ho: H21170 D. Ho ps 1170 Ha: µ 1170 O E. Ho: us 1200.26 OF Ho p2 1200.26 Ha: p> 1200.26 H3 p< 1200.26 Calculate the standardized test statistic. The standardized test statistic is. (Round to two decimal places as needed.
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ≤1290; α=0.05; σ=202.36. Sample statistics: x=1324.23, n=200 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≤1290 Ha: μ>1290 B. H0: μ>1324.23 Ha: μ≤1324.23 C. H0: μ>1290 Ha: μ≤1290 D. H0: μ≥1324.23 Ha: μ<1324.23 E. H0: μ≥1290 Ha: μ<1290 F. H0: μ≤1324.23 Ha: μ> Calculate the standardized test statistic. The standardized test statistic is ________ (Round to two decimal places as needed.) Determine the P-value. P=____________________________________ (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. (Fail or reject Reject) H0. At the 5% significance level, there____(is or is not) enough evidence to ____(reject or support) the claim.
Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distr Claim: µs 1270; a = 0.06; o = 202.73. Sample statistics: x = 1286.71, n = 300 Identify the null and alternative hypotheses. Choose the correct answer below. A. Ho:H2 1270 O B. Ho: Hs 1286.71 HaiH>1286.71 Hai H 1286.71 O D. Ho: H> 1270 HaiHS 1286.71 Ha:HS 1270 E. Hn: H2 1286.71
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1300; α=0.09; σ=207.09. Sample statistics: x=1326.58, n=275 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≥1326.58 Ha: μ<1326.58 B. H0: μ≤1300 Ha: μ>1300 C. H0: μ≥1300 Ha: μ<1300 D. H0: μ≤1326.58 Ha: μ>1326.58 E. H0: μ>1326.58 Ha: μ≤1326.58 F. H0: μ>1300 Ha: μ≤1300 Click to select your answer and then click Check Answer. 3 parts remaining
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ≤1240; α=0.08; σ=205.98. Sample statistics: x=1259.61, n=275 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≥1240 Ha: μ<1240 B. H0: μ≤1259.61 Ha: μ>1259.61 C. H0: μ≥1259.61 Ha: μ<1259.61 D. H0: μ>1259.61 Ha: μ≤1259.61 E. H0: μ≤1240 Ha: μ>1240 F. H0: μ>1240 Ha: μ≤1240
7.1.36-T 34.31%, 5.83 of 17 pts A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 99% confident that his estimate is in error by no more than four percentage points? Complete parts (a) through (c) below. Question Help ▼ a) Assume that nothing is known about the percentage of computers with new operating systems. (Round up to the nearest integer.) Enter your answer in the answer box and then click Check Answer. 2 parts remaining Clear All Check Answer F9 F10 F8 吕0 F3 F6 F7 F4 F5 esc F2 F1 & %24 4 @ de 6. 7 8. 6. 5 E R T Y G H. K F #3
Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: μ> 1220; α = 0.08; o = 209.91. Sample statistics: X = 1239.17, n = 300 Identify the null and alternative hypotheses. Choose the correct answer below. A. Ho: μ> 1239.17 Ha:μ≤1239.17 OC. Ho: μ≤ 1220 Ha:μ> 1220 E. Ho: μ21239.17 Ha: μ 1239.17 D. Ho: μ ≥ 1220 Ha: μ 1220 Ha:μ≤ 1220
Use the sample data below to test the hypotheses Ho: P₁ = P₂ = P3 Ha: not all population proportions are equal where p; is the population proportion of Yes responses for population i. Response Yes No Populations 145 2 3 155 96 95 155 104 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value Using a 0.05 level of significance, state your conclusion. O Do not reject Ho. We cannot conclude that not all population proportions are equal. O Do not reject Ho. We conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal. Reject Ho. We cannot conclude that not all population proportions are equal.
Use the sample data below to test the hypotheses Ho: P₁ = P₂ = P3 H₂: not all population proportions are equal where P₁ is the population proportion of Yes responses for population i. Response Yes No Populations 1 23 145 140 111 95 140 119 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, state your conclusion. O Do not reject Ho. We cannot conclude that not all population proportions are equal. O Do not reject Ho. We conclude that not all population proportions are equal. O Reject Ho. We cannot conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal.

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