1. Determine the following hypotheses are valid. If it not valid, state why it is notvalid( a) Ho: μ >0.75Hạ: u< 0.75(b) Ho: p = 1.25Hạ: p < 1.25( c ) Ho: μ= 0.025Hạ: µ > 0.075(d) Ho: p = 0.25Hạ: p ± 0.25

Answered: 1. Determine the following hypotheses…

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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Johanna has conducted a hypothesis test for H0:μ=72 vs. Ha:μ≠72, found a p-value of 0.07, and decided not to reject the null hypothesis. What conclusion is associated with this decision?A. There is not evidence to show that μ≠72.B. There is evidence to show that μ=72.C. There is evidence to show that μ≠72.D. There is not evidence to show that μ=72.
Answer the following True or False: If a researcher wants to test the claim that more than 25% of all students purchased their textbook online, then the null and alternative hypotheses are Ho: u = 0.25 and Ha: u >'0.25. true O false
Let n₁ = 50, X₁ = 40, n₂ = 50, and X₂ = 20. Complete parts (a) and (b) below. a. At the 0.05 level of significance, is there evidence of a significant difference between the two population proportions? Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: ₁2π₂ H₁: π₁ π₂ C. Ho: π₁ #1₂ H1: П1 =П2 Calculate the test statistic, ZSTAT, based on the difference P₁ - P2. The test statistic, ZSTAT, is (Type an integer or a decimal. Round to two decimal places as needed.) Calculate the p-value. O D. Ho: ₁ = π₂ H₁: π₁ #π₂ 퍼 The p-value is. (Type an integer or a decimal. Round to three decimal places as needed.)
So, if the chi-square is 4.29 and the critical value is 5.99. Do you accept or reject the Ho?
50% of students entering four-year colleges receive a degree within six years. Is this percent different from for students who play intramural sports? 117 of the 239 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of αα = 0.05? The null and alternative hypotheses would be: Ho: ? μ p Correct Select an answer = < ≠ > Correct (please enter a decimal) H1: ? p μ Correct Select an answer < ≠ = > Correct (Please enter a decimal) The test statistic ? z t Correct = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.)
Question 1.Alternative Hypothesis

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1. Determine the following hypotheses are valid. If it not valid, state why it is not valid ( a) Ho: μ >0.75 Hạ: H< 0.75 (b) Ho: p = 1.25 Hạ: p < 1.25 ( c ) Ho: μ= 0.025 Hạ: µ > 0.075 (d) Ho: p = 0.25 Hạ: p + 0.25