9. Which of the following pair ofnull and alternative hypotheses iscorrectly stated?А. Н. : и 3 60На : и # 60aВ. Н. : х — 50x =На : и < 50aОс. Н. : и -0.60На : и 3 —0.60aD. H. : и 3 400На : и> 400a

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Answered: 9. Which of the following pair of null…

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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State the null and alternative hypotheses: H0: μ | ≠, <, =, or > _________ H1: μ | ≠, ≥ , =, ≤ , or = _________
The manager of a milk store wants to know if the milk in the 1-gallon cartons actually averages 1-gallon. State null and alternative hypotheses.
The null hypothesis H0 maintains the status quo, while the alternate hypothesis Ha seeks to change the status quo. Label the pair members as null or alternate hypotheses.
For the situation, formulate the appropriate null and alternative hypotheses H0 and Ha.
Based upon your answers to 1A and 1C, specify whether you would reject the null hypothesis or would fail to reject the null hypothesis. Then explain what could be concluded about binge drinking based upon this result.
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Let’s assume the average income for all majors in the School of Engineering is $80,000. However, the chair of the Computer Science department thinks their students earn more than that. Please choose the appropriate null and alternative hypotheses if the chair wanted to test this belief. a. H0: u <=80,000 Ha: u > 80,000 b. H0: u= 80000 Ha: u not= 80000 c. H0: u >80000 Ha: u < 80000 d. H0: u >80000 Ha: < 80000 e. None of the above.
Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $$ 60.27. You want to test this claim.The null and alternative hypothesis in symbols would be: H0:μ≥60.27H0:μ≥60.27H1:μ<60.27H1:μ<60.27 H0:μ=60.27H0:μ=60.27H1:μ≠60.27H1:μ≠60.27 H0:p≤60.27H0:p≤60.27H1:p>60.27H1:p>60.27 H0:p=60.27H0:p=60.27H1:p≠60.27H1:p≠60.27 H0:p≥60.27H0:p≥60.27H1:p<60.27H1:p<60.27 H0:μ≤60.27H0:μ≤60.27H1:μ>60.27H1:μ>60.27 The null hypothesis in words would be: The average of price of all textbooks from the store is greater than $$ 60.27. The average of price of all textbooks from the store is less than $$ 60.27. The proportion of all textbooks from the store that are less than 60.27 is equal to 50% The average price of all textbooks from the store is $$ 60.27 The average price of textbooks in a sample is $$ 60.27 Based on a sample of 90 textbooks at the store, you find an average of 72.27 and a standard deviation of…
Based upon your answers to 1A and 1C, specify whether you would reject the nullhypothesis or would fail to reject the null hypothesis. Then explain what could beconcluded about binge drinking based upon this result.
11. The null and alternative hypotheses For each pair of hypotheses that follows, decide whether H₀ and H₁ are set up correctly as the null and alternative hypotheses for a hypothesis test. If so, select “Valid” from the drop down menu. If not, select “Invalid”. 1 H₀: μ ≠ 230 2 H₀: M = 50 H₁: μ = 230 H₁: M ≠ 50 3 H₀: μ = 150 4 H₀: µ = 135 H₁: μ ≠ 158 H₁: µ ≠ 135 You evaluate the ------ by assuming that it is true and testing the reasonableness of this assumption by calculating the probability of getting the results if chance alone is operating.
Claim: A majority of adults would erase all of their personal information online if they could. A software firm survey of 610 randomly selected adults showed that 58% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information. b. Identify the null and alternative hypotheses.
A test is made of the hypotheses H0 : μ ≤ 10 versus H1 : μ > 10. For each of the following situations, determine whether the decision was correct, a type I error occurred, or a type II error occurred. a) μ = 8, H0 is rejected. b) μ = 10, H0 is not rejected. c) μ = 14, H0 is not rejected. d) μ = 12, H0 is rejected.

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9. Which of the following pair of null and alternative hypotheses is correctly stated? А. Н, : и 3 60 На : и # 60 В. Н. : х — 50 На : и < 50 Ос. Н, : и -0.60 На : и 3D —0.60 О D. Н, : р 3D 400 На : и > 400