a. Specify the null and alternative hypotheses for this test.b. Since i = 89.9 is less than 95, a fisherman wants to reject the null hypothesis.What are the problems with using such a decision rule?c. Compute the value of the test statistic.d. Find the approximate p-value of the test.e. Select a value of a, the probability of a Type I error. Interpret this value in thewords of the problem.f. Give the appropriate conclusion, based on the results of parts d and e.g. What conditions must be satisfied for the test results to be valid?h. In Exercise 6.127º you found a 95% confidence interval for u. Does thisinterval support your conclusion in part f? 7.54 [Data Set: TRAPS] LOBSTER TRAP PLACEMENT. Refer to the Bulletin ofMarine Science (April 2010) observational study of lobster trap placement byteams fishing for the red spiny lobster in Baja California Sur, Mexico, Exercise6.1270. Trap-spacing measurements (in meters) for a sample of seven teams ofred spiny lobster fishermen are reproduced in the accompanying table. Let urepresent the average of the trap-spacing measurements for the population ofred spiny lobster fishermen fishing in Baja California Sur, Mexico. In Exercise6.29O you computed the mean and standard deviation of the samplemeasurements to be = 89.9 meters and s =11.6 meters, respectively. Supposeyou want to determine if the true value of u differs from 95 meters.939910594827086

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MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Ho: Ha: p≥ 0.3 р < 0.3 What type of test is being conducted in this problem? A. Right-tailed test B. Left-tailed test C. Two-tailed test
The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject Ho when the level of significance is (a) a = 0.01, (b) a = 0.05, and (c) a = 0.10. P= 0.0961 (a) Do you reject or fail to reject Ho at the 0.01 level of significance? O A. Reject Ho because the P-value, 0.0961, is greater than a =0.01. O B. Fail to reject Ho because the P-value, 0.0961, is greater than a = 0.01. O C. Reject Ho because the P-value, 0.0961, is less than a = 0.01. O D. Fail to reject Ho because the P-value, 0.0961, is less than a = 0.01. (b) Do you reject or fail to reject Ho at the 0.05 level of significance? O A. Fail to reject Ho because the P-value, 0.0961, is less than a = 0.05. O B. Fail to reject Ho because the P-value, 0.0961, is greater than a = 0.05. O C. Reject Ho because the P-value, 0.0961, is less than a = 0.05. O D. Reject Ho because the P-value, 0.0961, is greater than a = 0.05. (c) Do you reject or fail to reject Ho at the 0.10 level of significance? O A. Fail to…
Suppose that in a random selection of 100 colored candies, 20% of them are blue. The candy company claims that the percentage of blue candies is equal to 26%. Use a 0.01 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p +0.26 H₁: p=0.26 O B. Ho: p=0.26 H₁: p=0.26 O C. Ho: p = 0.26 H₁: p>0.26 O D. Ho: p=0.26 H₁: p<0.26
Suppose that in a random selection of 100 colored candies, 22% of them are blue. The candy company claims that the percentage of blue candies is equal to 30%. Use a 0.10 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.3 H₁: p=0.3 O B. Ho: p=0.3 H₁: p=0.3 C. Ho: p=0.3 H₁: p>0.3 O D. Ho: p=0.3 H₁: p<0.3 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 30% B. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 30% O C. Fail to…
need help with B, C, D
Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 30%. Use a 0.05 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. OA. Ho: p=0.3 H₁: p0.3 Oc. Ho: p=0.3 H₁: p 0.3 OD. Ho: p*0.3 H₁: p=0.3 B
A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Ho Ś 4.8 Ha > 4.8 What type of test is being conducted in this problem? O A. Two-tailed test O B. Right-tailed test O C. Left-tailed test
A fast-food restaurant claims that a small order of french fries contains 120 calories. A nutritionist is concerned that the true average calorie count is higher than that. The nutritionist randomly selects 35 small orders of french fries and determines their calories. The resulting sample mean is 155.6 calories, and the pp-value for the hypothesis test is 0.00093. Which of the following is a correct interpretation of the p-value? A)If the population mean is 120 calories, the p -value of 0.00093 is the probability of observing a sample mean of 155.6 calories or more. B) If the population mean is 120 calories, the p -value of 0.00093 is the probability of observing a sample mean of 155.6 calories or less. C)If the population mean is 120 calories, the p -value of 0.00093 is the probability of observing a sample mean of 155.6 calories or more, or a sample mean of 84.4 calories or less. .D)If the population mean is 155.6 calories, the p -value of 0.00093…
Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company claims that the percentage of blue candies is equal to 25%. Use a 0.05 significance level to test that claim. GEE Identify the null and alternative hypotheses for this est. Choose the correct answer below. O A. Ho: p=0.25 H₁: p>0.25 OB. Ho: p=0.25 H₁: p=0.25 O C. Họ: p=0.25 H₁: p<0.25 le O D. Họ: P±0.25 H₁: p=0.25
A high p-value, such as 0.8, provides evidence to say the null hypothesis is true. This statement is true. O This statement is false.
Need ASAP. Tyia:) 46. The following describes an alternative hypothesis except?A. It contradicts the null hypothesis.B. It is accepted once the null hypothesis is rejected.C. It states a specific difference between the variables.D. It states that the difference between two variables is not significant.47. Using 0.05 level of significance in testing hypothesis, what is the probability of accepting to commit an error in rejecting the null hypothesis? A. 1%B. 5%C. 95%D. 99% 48. What does level of significance mean in hypothesis testing?A. probability of calculating the hypothesized meanB. probability of not calculating the hypothesized meanC. probability of rejecting the null hypothesis when it is trueD. probability of not rejecting the null hypothesis when it is false
A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Ho: Ha: p = 0.7 p = 0.7 What type of test is being conducted in this problem? A. Right-tailed test B. Two-tailed test C. Left-tailed test 20

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a. Specify the null and alternative hypotheses for this test. b. Since F = 89.9 is less than 95, a fisherman wants to reject the null hypothesis. What are the problems with using such a decision rule? c. Compute the value of the test statistic.