Tran Enacing measurements (in meters) for a sample of seven teams of red spiny lobster fisherman are reproduced in the accompanying table. Let u represent the average of the trap spacing measurements for the population of red spiny lohstFisherman, The mean and the standard deviation of the sample measurements are x= 90.1 meters and s= 12.3 meters, respectively. Suppose you want to determine if the true value of u differs from 95 meters. Complete parts a through h below93 100 107 948170 86 Dd. Find the approximate p-value of the test.p-value =0.2410 (Round to three decimal places as needed.)e. Select a value of a, the probability of Type I eror. Interpret this value in the words of the problem.O A. There would still be sufficient evidence to reject the null hypothesis if a<0.332.O B. There would still be sufficient evidence to reject the null hypothesis if a> 0.332.OC. There would still be sufficient evidence to reject the null hypothesis if a= 0.001O D. There would still be sufficient evidence to reject the null hypothesis if a>0.001Interpret this value in the words of the problem.O A. AType l error would be to conclude that the true mean of the trap spacing measurements is not 95 when, in fact, the mean is equal to 95.O B. AType l error would be to conclude that the true mean of the trap spacing measurements is 95 when, in fact, the mean is equal to 90.1.OC. AType I error would be to conclude that the true mean of the trap spacing measurements is 90.1 when, in fact, the mean is equal to 95.O D. ATypeI error would be to conclude that the true mean of the trap spacing measurements is 95 when, in fact, the mean is not equal to 95.f. Give the appropriate conclusion, based on the results of parts d and e. Let a =0.05.O A. Fail to reject H. There is sufficient evidence to indicate u95.(1,1)MereTime Remaining: 01:32:21NextStatcrunchCalculatorMacBook Air20,IIF8F10FV2escF3F6F7F9F2F4FS@#$%&*一deleta236789{QWERYUPtab

Researchers perform hypothesis testing to test the claim of about a population parameter.

Answered: d. Find the approximate p-value of 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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The mean age of graduate students at a University is at most 31 years with a standard deviation of 2 years. A random sample of 15 graduate students is taken. The sample mean is 32 years and the sample standard deviation is 3 years. Are the data significant at the 1% level? a. State the null and alternative hypothesesb. Performzscore and find p-valuec. Perform Cohen's d equationd. State answer
Q.4
The test statistic of z = 0.95 is obtained when testing the claim that p> 0.4. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a=0.05, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. tost
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Answer a and b
State whether each of the following is true or false.a. The significance level of a test is the probability that the null hypothesis is false.b. A Type I error occurs when a true null hypothesis is rejected.c. A null hypothesis is rejected at the 0.025 level but is not rejected at the 0.01 level. This means that the p-value of the test is between 0.01 and 0.025.d. The power of a test is the probability of accepting a null hypothesis that is true.e. If a null hypothesis is rejected against an alternative at the 5% level, then using the same data, it must be rejected against that alternative at the 1% level.f. If a null hypothesis is rejected against an alternative at the 1% level, then using the same data, it must be rejected against the alternative at the 5% level.g. The p-value of a test is the probability that the null hypothesis is true.
Assume that adults have IQ scores that are normally distributed with a mean of μ= 105 and a standard deviation o=15. Find the probability that a randomly selected adult has an IQ less than 123. Click to view page 1 of the table Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 123 is (Type an integer or decimal rounded to four decimal places as needed.). THE
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 5 inches. A random sample of 41 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that x is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.)
Microsoft Word -... You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 62% at a level of significance of a = 0.05. According to your sample, 27 out of 50 potential voters prefer the Democratic candidate. a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Select an answer v Ho: ? H₁: ? Select an answer ✓ c. The test statistic ? = d. The p-value= e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... (please enter a decimal) (Please enter a decimal) (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) The data suggest the populaton proportion is significantly different from 62% at a = 0.05, so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different from 62% O The data suggest the…
Assume that adults have IQ scores that are normally distributed with a mean of u =100 and a standard deviation o = 15. Find the probability that a randomly selected adult has an IQ less than 115. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 115 is (Type an integer or decimal rounded to four decimal places as needed.)
Number 11

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