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Question 15 1 pts A local juice manufacturer distributes juice in...
A local brewery distributes beer in bottles labeled 24 ounces. A government agency thinks that the...
A local brewery distributes beer in bottles labeled 24 ounces. A government agency thinks that the brewery is cheating its customers. The agency selects 50 of these bottles, measures their contents, and obtains a sample mean of 23.6 ounces with a standard deviation of 0.8 ounces. Use a 0.01 significance level (α = 0.01) to test the agency's claim that the brewery is cheating its customers (that the average volume of their beers is less than 24 ounces). H0: Ha:...
1. A manufacturer claims that the mean lifetime of its lithium battery is 1000 hours. A...
1. A manufacturer claims that the mean lifetime of its lithium battery is 1000 hours. A homeowner selects 40 batteries and finds the mean lifetime to be 990 hours with a standard deviation of 80 hours. Test the manufacturer's claim. Use alpha = 0.05. a. Calculate the test statistics. test statistics= (Round your answer to the nearest hundredth) Answer is not 0.79 or 0.80 2. A local juice manufacturer distributes juice in bottles labeled 12 ounces. A government agency thinks that...
Please answer all Question 36 1 pts A shipping firm suspects that the mean lifetime of...
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Question 36 1 pts A shipping firm suspects that the mean lifetime of the tires used by its trucks is less than 35,000 miles. To check the claim, the firm randomly selects and tests 54 of these tires and gets a mean lifetime of 34,570 miles with a standard deviation of 1200 miles. At a = 0.05, test the shipping firm's claim. test statistic -2.63; critical value = -1.645; do not reject Ho: There is sufficient evidence...
Please answer all D Question 27 1 pts A politician claims that for the adult population...
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D Question 27 1 pts A politician claims that for the adult population of one town, the mean annual salary is u-$30,000 Sample data is collected: n-47, - $22,298, and s-$14,200. Use a significance level of a -0.10 to state the correct rejection region for a test of the claim. Time Attem 1 Ho eus 24/7 Reject Hoifz > 1.96 or z < -1.96. 5 Reject Hoitz < -2.576. Reject Ho if z > 1.96 Reject Ho...
(Round all intermediate calculations to at least 4 decimal places.) A local botter in Hawaii wishes to ensure that a...
(Round all intermediate calculations to at least 4 decimal places.) A local botter in Hawaii wishes to ensure that an average of 26 ounces of passion fruit juice is used to fill each bottle in order to analyze the accuracy of the bottling process he takes a random sample of 43 bottles. The mean weight of the passion fruit juice in the sample is 25 70 ounces Assume that the population standard deviation is 1 19 ounce Use Table 1...
Please answer both questions D Question 25 1 pts Time Ru Attempt 1 Hour, e Campus...
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D Question 25 1 pts Time Ru Attempt 1 Hour, e Campus 24/7 Pr A health insurer suspects that the average fee charged by one particular clinic for a medical procedure is higher than $1200. The insurer wants to perform a hypothesis test to determine whether their suspicion is correct. The hypotheses are: Hops $1200 H:p> $1200 Suppose that the test will be conducted at a 5% significance level, and the insurer plans to randomly sample...
Please answer all Question 33 1 pts If the significance level for a hypothesis test is...
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Question 33 1 pts If the significance level for a hypothesis test is 0.01 and the p-value for the test ends up being 0.0034, after forming the appropriate conclusion based on the p-value, which possible error could have be committed, type I or type II. Since we did not reject the null, we might have committed a type one error. O Since we did not reject the null, we might have committed a type two error. Since...
Decide whether the normal sampling distribution can be used. If it can be used, test the...
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance a using the given sample statistics. Claim; p<0.09; a = 0.05; Sample statistics : P = 0.08, n = 25 Can the normal sampling distribution be used? O A. No, because ng is less than 5. O B. Yes, because pq is greater than a = 0.05. O C. No, because np...
Decide whether the normal sampling distribution can be used. If it can be used test the...
Decide whether the normal sampling distribution can be used. If it can be used test the claim about the population proportion p at the given level of significance α using the given sample statistics. Claim: p < 0.12; α-0.10; Sample statistics: p-0.08, n-25 Can the normal sampling distribution be used? O A. No, because np is less than 5. O B. Yes, because pq is greater than α = 0.10 C. No, because nq is less than 5. O D....
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed...
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed a plan for the annexation of a new community. A political study took a sample of 1,600 voters in the town and found that 69% of the residents favored annexation. Using the data, a political strategist wants to test the daim that the percentage of residents who favor annexation is at least 65% What is the alternative hypothesis? Hap<0.65 O Hapa 065 O Haps...
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Question 36 1 pts A shipping firm suspects that the mean lifetime of the tires used by its trucks is less than 35,000 miles. To check the claim, the firm randomly selects and tests 54 of these tires and gets a mean lifetime of 34,570 miles with a standard deviation of 1200 miles. At a = 0.05, test the shipping firm's claim. test statistic -2.63; critical value = -1.645; do not reject Ho: There is sufficient evidence...
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D Question 27 1 pts A politician claims that for the adult population of one town, the mean annual salary is u-$30,000 Sample data is collected: n-47, - $22,298, and s-$14,200. Use a significance level of a -0.10 to state the correct rejection region for a test of the claim. Time Attem 1 Ho eus 24/7 Reject Hoifz > 1.96 or z < -1.96. 5 Reject Hoitz < -2.576. Reject Ho if z > 1.96 Reject Ho...
(Round all intermediate calculations to at least 4 decimal places.) A local botter in Hawaii wishes to ensure that an average of 26 ounces of passion fruit juice is used to fill each bottle in order to analyze the accuracy of the bottling process he takes a random sample of 43 bottles. The mean weight of the passion fruit juice in the sample is 25 70 ounces Assume that the population standard deviation is 1 19 ounce Use Table 1...
Please answer both questions
D Question 25 1 pts Time Ru Attempt 1 Hour, e Campus 24/7 Pr A health insurer suspects that the average fee charged by one particular clinic for a medical procedure is higher than $1200. The insurer wants to perform a hypothesis test to determine whether their suspicion is correct. The hypotheses are: Hops $1200 H:p> $1200 Suppose that the test will be conducted at a 5% significance level, and the insurer plans to randomly sample...
Please answer all
Question 33 1 pts If the significance level for a hypothesis test is 0.01 and the p-value for the test ends up being 0.0034, after forming the appropriate conclusion based on the p-value, which possible error could have be committed, type I or type II. Since we did not reject the null, we might have committed a type one error. O Since we did not reject the null, we might have committed a type two error. Since...
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance a using the given sample statistics. Claim; p<0.09; a = 0.05; Sample statistics : P = 0.08, n = 25 Can the normal sampling distribution be used? O A. No, because ng is less than 5. O B. Yes, because pq is greater than a = 0.05. O C. No, because np...
Decide whether the normal sampling distribution can be used. If it can be used test the claim about the population proportion p at the given level of significance α using the given sample statistics. Claim: p < 0.12; α-0.10; Sample statistics: p-0.08, n-25 Can the normal sampling distribution be used? O A. No, because np is less than 5. O B. Yes, because pq is greater than α = 0.10 C. No, because nq is less than 5. O D....
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed a plan for the annexation of a new community. A political study took a sample of 1,600 voters in the town and found that 69% of the residents favored annexation. Using the data, a political strategist wants to test the daim that the percentage of residents who favor annexation is at least 65% What is the alternative hypothesis? Hap<0.65 O Hapa 065 O Haps...
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