Directions: Use the given claim to state a null and an alternative hypothesis analytically.Use correct hypothesis notation that follows from the modules and study guide.2. Claim: p = 0.931.4.Claim: < 1015.3.Directions: Write each claim as a mathematical statement (like above). Write the null andalternative hypothesis. Then determine and state whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Sketch the curve and shade the appropriate area.The NFL states that fewer 12.75% of its players have head injuries each year.Claim: o> 12.25The American Psychological Association (APA) believes that the mean amount ofnonprescription pain relievers used in the U.S. is 10.5 pills each week.

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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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Use the six steps of hypothesis testing to answer the following question. Remember to determine if the problem is a Z test or T test as that will influence your critical value. You believe you have discovered a topical solution that heals wounds faster. The average number of days it takes to remove stiches after surgery in all hospital patients is 12. In a sample of 29 patients the average number of days to remove stiches is 10.5 with a std dev. Of 1.2 Did your solution lessen the number of days patients had stiches
Use the one-proportion z-test to perform the specified hypothesis test. Use the critical-value approach. x= 345, n = 1000, Ho: p= 0.35, Hạ: p > 0.35, a= 0.01 A. z= - 0.33; critical value =2.575; do not reject Ho B. z=0.62; critical value = 2.33; do not reject Ho C. z= 0.62; critical value =2.575; reject Ho D. z= - 0.33; critical value = 2.33; do not reject Ho
Identify the type I error and the type II error for a hypothesis test of the indicated claim. The percentage of college students who own cars is less than 35%. Identify the type I error. Choose the correct answer below. O A. Reject the null hypothesis that the percentage of college students who own cars is less than 35% when it is actually true. 2 OB. Fail to reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually false. OC. Reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually true. O D. Fail to reject the null hypothesis that the percentage of college students who own cars is less than 35% when it is actually false. Identify the type II erfor. Choose the correct answer below... O A. Fail to reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually false. OB.…
Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is μ > 98.6 °F. The sample size is n = 3 and the test statistic is t = 1.234.
A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Full data set O Carpeted Uncarpeted 9.4 9.1 16 10.8 6.4 10.8 14.8 8.8 11.5 11.6 13.7 9.4 10.7 12.4 13.4 7.8 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. OA Ho P1 H2 B. Ho H1 F2 OC Ho H= H2
The Pavalue 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)g=0 10 P=0.0816 (a) Do you reject or fail to reject Ho at the 0.01 level of significance? O A. Fail to reject Ho because the P-value, 0.0816, is less than a = 0.01. O B. Fail to reject H, because the P-value, 0.0816, is greater than a= 0.01. OC. Reject H, because the P-value, 0.0816, is less than a=0.01. O D. Reject Ho because the P-value, 0.0816, is greater thana= 0.01. (b) Do you reject or fail to reject H, at the 0.05 level of significance? O A. Reject Ho because the P-value, 0.0816, is less than a =0.05. O B. Fail to reject H, because the P-value, 0.0816, is greater than a= 0.05. OC. Reject H, because the P-value, 0.0816, is greater than oa 0.05. O D. Fail to reject Ho because the P-value, 0.0816, is less than a = 0,05. (c) Do you reject or fail to reject Ho at the 0.10 level of significance? O A. Reject Ho because the…
Please, Identify the null hypothesis, test statistic, P-value or critical value, conclusion about the null hypothesis, and the final conclusion that addresses the original claim using the 6-step test format. the Question is below here
Please find (c), (d), (e) and if possible check to see if my degrees of freedom is correct please:)
claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 585 randomly selected adults showed that 49.3% of them would erase all of their personal information online if they could. Make a subjective estimate to decide whether the results are significantly low or significantly high, then state a conclusion about the original claim.
Describe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.40, but you fail to reject Ho: p20.40. OB. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.40, but you reject Ho: p20.40. OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40. OD. A type I error will occur when the actual proportion of new customers who return to buy their next piece f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40. Describe the type II error. Choose the correct answer…

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Directions: Use the given claim to state a null and an alternative hypothesis analytically. Use correct hypothesis notation that follows from the modules and study guide. Claim: p = 0.93 1. Claim: < 101 2. 3. Claim: o> 12.25