When the following hypotheses are being tested at a level of significance of a Họ: u25 H. u< 500 500 the null hypothesis will be rejected if the p-value is Select one: O a> a/2 O b. >a O c.sl- a/2 O d.sa ge Next page fin Chapter 8 a.docx Chapter 8 assig.docx Chapter 4.docx Assignment d
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- Please answer only the letters d and e. Answer fast for I have 30 minutes left. Thank you very much.A one-tailed test would be used with a A. null B. research C. directional D. nondirectional hypothesis.A formal hypothesis test is to be conducted using the claim that the mean AC thermostat setting in restaurants is equal to 74° F. What is the null hypothesis and how is it denoted? Group of answer choices H0 : p = 74°F H0 : p < 74°F H0 : μ = 74°F H0 : μ ≠ 74°F
- The mean weight of male nurses working at a local hospital is at least 172 lbs. Express the null and alternative hypotheses in symbolic form for this claim. Họ: Use the following codes to enter the following symbols: > enter >= K enter <= + enter != Submit Question esc F1 F2 F3 F4 FS F6 F7 FR ! @ %23 24 1 3 6 8. Q W E R Y tab A S F aps lock H DWhen the following hypotheses are being tested at a level of significance of a Ho: P2 100 H3: HZa O d. > Za/2qoiii. answr only pls 25. what is the null hypothesis 26. what is the alternative hypothesis 27. which is the claim, the null hypothesis or the alternative hypothesis 28. what type of test to use 29. what is the level of significance 30. what is the degree of freedom
- Answer the following. The guide on how to solve is already indicated..State the null and alternative hypothesis of the following: 1. The IQ of Harvard students is not 175. Identify whether the following uses a one-tailed or two-tailed test: why? a) The average height of students under the program BS Chemical Engineeriny is greter than 165 cm. b) The IQ of Harvard students is not 175. 2.Suppose we have the following hypotheses: Ho:p=.64 H1:p>.64 What would it mean to make a Type Il error? O a. We conclude that p = .64 when it actually isn't. O b. We conclude that p = .64 and we are correct. O c. We conclude that p > .64 when it's actually smaller. O d. We conclude that p > .64 and we are correct.
- Express the null and alternative hypotheses in symbolic form for this claim: the mean weight of male aerobics instructors in a certain city is more than 164 lbs. Note that the mean weight in the sample taken is 169 lbs.H0:μH0:μ H1:μH1:μ4. A piece of medical equipment is not functioning properly (it has malfunction). the null hypotheses state that there is no malfunction, however in running operational checks a lap technician does not find evidence of the malfunction. The lab technician has committed. A. a type I error B. a type II error C. both type I and type II error D. neither a type I nor a type II errorrepresents the summary statistics for 44 blue catfish caught at this reservoir, and a 0.05 significance level to test the claim that the mean weight of the fish in the John H. Kerr Reservoir is greater than 40 pounds. n = 44; = 40.76 pounds; s = 5.12 pounds a) kdentify the null and alternative hypotheses? Ho: =V 40 H.:p>v40 b) What type of hypothesis test should you conduct (left-, right-, or two-tailed)? O left-tailed O right-tailed O two-tailed c) Identify the appropriate significance level. 0.05 d) Calculate your test statistic. (Round your final answer to two decimal places.) e) Calculate your p-value. (Round your final answer to four decimal places.) f) Do you reject the null hypothesis? O We reject the null hypothesis, since the p-value is less than the significance level. O We reject the null hypothesis, since the p-value is not less than the significance level. O We do not reject the null hypothesis, since the p-value is less than the significance level. O We do not reject the…