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A consumer group claims that the mean minimum time it takes for a sedan to travel...
could you please show your work on how you get the value of (P) please? thats...
could you please show your work on how you get the value of (P)
please? thats where im having a lot of trouble
3. A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 146 seconds. A random sample of 24 sedans has a mean minimum time to travel a quarter mile of 15.2 seconds and a standa deviation of 2.11 seconds. At = 0.10 is there enough...
stacy perales& 1 1/25/19 12:27 PM Quiz: Ch 7 Quiz Time Remaining: 01:57 29 Submit Quiz...
stacy perales& 1 1/25/19 12:27 PM Quiz: Ch 7 Quiz Time Remaining: 01:57 29 Submit Quiz This Question: 1 pt 8of9 (0 complete) This Quiz: 9 pls possible The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed Assume the population standard deviation is 52 years. At α = 0 01, is there enough evidence to re ect the claim that the mean time takes smokers to quit smoking...
A research center claims that 30% of adults in a certain country would travel into space...
A research center claims that 30% of adults in a certain country would travel into space on a commercial flight they could afford it. In a random sample of 700 is in the country, 34% say that they would travel into space on a commercial light if they could afford it. A 0.05, is there enough evidence to reject the research Center's Complete parts (a) through id) below. (a) Identify the claim and H and Identify the mihi w a...
A research center claims that 27% of adults in a certain country would travel into space...
A research center claims that 27% of adults in a certain country would travel into space on a commercial they could in a random sample of 1200 din hat country. 20 say that they would have space on a commercial tight if they could afford IL A 0.01, is there enough evidence to the center's Complete parts (a) through blow (a) dently the calm and state and Wently the claim in this scenario. Select the correct choice below and in...
Suppose the mean wait-time for a telephone reservation agent at a large airline is 45 seconds....
Suppose the mean wait-time for a telephone reservation agent at a large airline is 45 seconds. A manager with the airline is concerned that business may be lost due to customers having to wait too long for an agent. To address this concern, the manager develops new airline reservation policies that are intended to reduce the amount of time an agent needs to spend with each customer. A random sample of 250 customers results in a sample mean wait-time of...
A travel analyst claims that the mean room rates at a three-star hotel in Chicago is...
A travel analyst claims that the mean room rates at a three-star hotel in Chicago is greater than $152. In a random sample of 36 three-star hotel rooms in Chicago, the mean room rate is $163 with a population standard deviation of $41. At α=0.10, can you support the analyst’s claim using the p-value? @See text pages 365-366 Claim is the null, fail to reject the null as p-value (0.054) is less than alpha (0.10), and cannot support the claim...
please round to THREE decimal places as needed A politician claims that the mean salary for...
please round to THREE decimal places as needed
A politician claims that the mean salary for managers in his state is more than the national mean, $83,000. Assume the the population is normally distributed and the population standard deviation is $9400. The salaries (in dollars) for a random sample of 30 managers in the state are listed. At α = 0.04 is there enough evidence to support the claim? Use technology 83,077 72,906 94,387 89,800 73,672 78,747 90,948 91,023 95...
An energy official claims that the mean oil output per well in the US is less...
An energy official claims that the mean oil output per well in the US is less than the 1998 level of 11.1 barrels per day. He randomly samples 50 wells throughout the US and determines the mean output to be 10.7 barrels per day. Assume the population standard deviation is 1.3 barrels. Test the researcher's claim at a 0.05 significance level. Identify the null and alternative hypotheses. H1: μ < 11.1 H0: μ > 11.1 H1: μ > 11.1 H0:...
A group says that the mean daily lodging cost for a family traveling in Region 1...
A group says that the mean daily lodging cost for a family traveling in Region 1 is the same as in R Region 1 is $143 with a population standard deviation of $24. The mean daily lodging cost for 35 families traveling in Region 2 is $135 with a population standard deviation of S26 At α :0 10, is there enough evidence to reject the group's claim? Complete parts (a) through (e) in (a) Identify the claim and state Ho...
In a advertisement, a pizza shop claims that its mean delivery time is less than 20...
In a advertisement, a pizza shop claims that its mean delivery time is less than 20 minutes. of A random selection 50 delivery times has a sample mean of 22 minutes and a standard deviation of 2.1 minutes. Is there enough evidence to support the claim at = 0.005. Find: Question 5 The null hypothesis ( H0) 22 min 22 min 20 min 20 min Question 6 The alternative hypothesis ( H0) 22 min 20 min 22 min 20 min...
could you please show your work on how you get the value of (P)
please? thats where im having a lot of trouble
3. A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 146 seconds. A random sample of 24 sedans has a mean minimum time to travel a quarter mile of 15.2 seconds and a standa deviation of 2.11 seconds. At = 0.10 is there enough...
stacy perales& 1 1/25/19 12:27 PM Quiz: Ch 7 Quiz Time Remaining: 01:57 29 Submit Quiz This Question: 1 pt 8of9 (0 complete) This Quiz: 9 pls possible The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed Assume the population standard deviation is 52 years. At α = 0 01, is there enough evidence to re ect the claim that the mean time takes smokers to quit smoking...
A research center claims that 30% of adults in a certain country would travel into space on a commercial flight they could afford it. In a random sample of 700 is in the country, 34% say that they would travel into space on a commercial light if they could afford it. A 0.05, is there enough evidence to reject the research Center's Complete parts (a) through id) below. (a) Identify the claim and H and Identify the mihi w a...
A research center claims that 27% of adults in a certain country would travel into space on a commercial they could in a random sample of 1200 din hat country. 20 say that they would have space on a commercial tight if they could afford IL A 0.01, is there enough evidence to the center's Complete parts (a) through blow (a) dently the calm and state and Wently the claim in this scenario. Select the correct choice below and in...
Suppose the mean wait-time for a telephone reservation agent at a large airline is 45 seconds. A manager with the airline is concerned that business may be lost due to customers having to wait too long for an agent. To address this concern, the manager develops new airline reservation policies that are intended to reduce the amount of time an agent needs to spend with each customer. A random sample of 250 customers results in a sample mean wait-time of...
please round to THREE decimal places as needed
A politician claims that the mean salary for managers in his state is more than the national mean, $83,000. Assume the the population is normally distributed and the population standard deviation is $9400. The salaries (in dollars) for a random sample of 30 managers in the state are listed. At α = 0.04 is there enough evidence to support the claim? Use technology 83,077 72,906 94,387 89,800 73,672 78,747 90,948 91,023 95...
A group says that the mean daily lodging cost for a family traveling in Region 1 is the same as in R Region 1 is $143 with a population standard deviation of $24. The mean daily lodging cost for 35 families traveling in Region 2 is $135 with a population standard deviation of S26 At α :0 10, is there enough evidence to reject the group's claim? Complete parts (a) through (e) in (a) Identify the claim and state Ho...
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