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A company claims that the mean monthly residential electricity consumption in a certain region is more...
e / Study / A company claims that the mean monthly residential electricity consumption in a...
e / Study / A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kilowatt-hours (kWh). You want to test this claim You find that a random sample of 68 residential customers has a mean monthly consumption of 890 kWh. Assume the population standard deviation is 125 kWh Ala010 can you support the claim? Complete parts (a) through (e) jestio (a) Identify Ho and H. Choose the correct answer below w transcribe...
Question Help A company claims that the mean monthly residential electricity consumption in a certain region...
Question Help A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kiloWatt-hours (kWh). You want to test this claim. You findt t sample of 64 esidential customers has a mean monthly consumption of 890 kWh with a standard deva on of 129 kWh. At α-Ο 10, can you supp he claim? Complete parts (a) through (e). a random O A. The rejection region is z < 1.28. O B. The rejection...
A credit card company claims that the mean credit card debt for individuals is greater than...
A credit card company claims that the mean credit card debt for individuals is greater than $5,200. You want to test this claim. You find that a random sample of 38 cardholders has a mean credit card balance of $5,490 and a standard deviation of $675. At a = 0.01, can you support the claim? Complete parts (a) through (e) below. Assume the population is normally distributed. (a) Write the claim mathematically and identify Ho and Ha Which of the...
33. A company claims that the mean monthly residential electricity consumption in a certain region is...
33. A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 61 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard deviation is 125 kWh. At alphaequals0.10, can you support the claim? Complete parts (a) through (e). (a) Identify Upper H 0 and Upper H Subscript a. Choose the correct answer below.
Test the claim about the population mean, , at the given level of significance using the...
Test the claim about the population mean, , at the given level of significance using the given sample statistics. Claim: u = 30; a = 0.09; 6 = 3.02. Sample statistics: x = 28.8, n=62 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u = 30 Hu> 30 0 C. Ho: < 30 Hau= 30 E. Ho: u = 30 H: #30 OB. Ho:u#30 Ha: u = 30 OD. Ho: > 30 Ha: H...
A nutritionist claims that the mean tuna consumption by a person is 3.5 pounds per year....
A nutritionist claims that the mean tuna consumption by a person is 3.5 pounds per year. A sample of 90 people shows that the mean tuna consumption by a person is 3.2 pounds per year. Assume the population standard deviation is 1.03 pounds. At c =0.03, can you reject the claim? (a) Identify the null hypothesis and alternative hypothesis. O A. Ho: 53.5 Ha: > 3.5 OD. Hou#3.2 Hau = 3.2 O B. Ho: > 3.5 Ha $3.5 O E....
The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject...
The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H when the level of significance is (a) a= 0.01, (b) a 0.05, and (c) a0.10. P 0.0749 (a) Do you reject or fail to reject Ho at the 0.01 level of significance? O A. Reject H because the P-value, 0.0749, is greater than a=0.01 O B. Fail to reject Ho because the P-value, 0.0749, is less than a = 0.01 O C. Reject...
A nutritionist claims that the mean tuna consumption by a person is 35 pounds per year...
A nutritionist claims that the mean tuna consumption by a person is 35 pounds per year A sample of 90 people shows that the mean tuna consumption by a person is 3.2 pounds per year. Assume the population standard deviation is 103 pounds. At a = 0.03, can you reject the claim? (a) Identify the null hypothesis and alternative hypothesis. O A. Horus 3.5 Ha> 3.5 OD. Hou732 Hau=32 OB. Ho 33.5 H, HS35 O E. Ho u$32 Ha H>...
An education researcher claims that 54% of college students work year-round. In a random sample of...
An education researcher claims that 54% of college students work year-round. In a random sample of 200 college students, 108 say they work year-round. At a = 0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do...
A research center claims that at least 30% of adults in a certain country think that...
A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 700 adults in that country in a recent year, 20% say they are concerned that their taxes will be audited. At α=0.10, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H ldentify the claim in this scenario. Select the...
e / Study / A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kilowatt-hours (kWh). You want to test this claim You find that a random sample of 68 residential customers has a mean monthly consumption of 890 kWh. Assume the population standard deviation is 125 kWh Ala010 can you support the claim? Complete parts (a) through (e) jestio (a) Identify Ho and H. Choose the correct answer below w transcribe...
Question Help A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kiloWatt-hours (kWh). You want to test this claim. You findt t sample of 64 esidential customers has a mean monthly consumption of 890 kWh with a standard deva on of 129 kWh. At α-Ο 10, can you supp he claim? Complete parts (a) through (e). a random O A. The rejection region is z < 1.28. O B. The rejection...
A credit card company claims that the mean credit card debt for individuals is greater than $5,200. You want to test this claim. You find that a random sample of 38 cardholders has a mean credit card balance of $5,490 and a standard deviation of $675. At a = 0.01, can you support the claim? Complete parts (a) through (e) below. Assume the population is normally distributed. (a) Write the claim mathematically and identify Ho and Ha Which of the...
Test the claim about the population mean, , at the given level of significance using the given sample statistics. Claim: u = 30; a = 0.09; 6 = 3.02. Sample statistics: x = 28.8, n=62 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u = 30 Hu> 30 0 C. Ho: < 30 Hau= 30 E. Ho: u = 30 H: #30 OB. Ho:u#30 Ha: u = 30 OD. Ho: > 30 Ha: H...
A nutritionist claims that the mean tuna consumption by a person is 3.5 pounds per year. A sample of 90 people shows that the mean tuna consumption by a person is 3.2 pounds per year. Assume the population standard deviation is 1.03 pounds. At c =0.03, can you reject the claim? (a) Identify the null hypothesis and alternative hypothesis. O A. Ho: 53.5 Ha: > 3.5 OD. Hou#3.2 Hau = 3.2 O B. Ho: > 3.5 Ha $3.5 O E....
The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H when the level of significance is (a) a= 0.01, (b) a 0.05, and (c) a0.10. P 0.0749 (a) Do you reject or fail to reject Ho at the 0.01 level of significance? O A. Reject H because the P-value, 0.0749, is greater than a=0.01 O B. Fail to reject Ho because the P-value, 0.0749, is less than a = 0.01 O C. Reject...
A nutritionist claims that the mean tuna consumption by a person is 35 pounds per year A sample of 90 people shows that the mean tuna consumption by a person is 3.2 pounds per year. Assume the population standard deviation is 103 pounds. At a = 0.03, can you reject the claim? (a) Identify the null hypothesis and alternative hypothesis. O A. Horus 3.5 Ha> 3.5 OD. Hou732 Hau=32 OB. Ho 33.5 H, HS35 O E. Ho u$32 Ha H>...
An education researcher claims that 54% of college students work year-round. In a random sample of 200 college students, 108 say they work year-round. At a = 0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do...
A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 700 adults in that country in a recent year, 20% say they are concerned that their taxes will be audited. At α=0.10, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H ldentify the claim in this scenario. Select the...
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