At a nearby college, there is a school-sponsored website that matches people looking for roommates. According to the school's reports, 36% of students will finda match their first time using the site. A writer for the school newspaper tests this claim by choosing a random sample of 160 students who visited the sitelooking for a roommate. Of the students surveyed, 45 said they found a match their first time using the site.Complete the parts below to perform a hypothesis test to see if there is enough evidence, at the 0.10 level of significance, to reject the claim that theproportion, p, of all students who will find a match their first time using the site is 36%. (a) State the null hypothesis H and the alternative hypothesis H, that you would use for the test.Ho: 0O 10and n (1-p) > 10 under the assumption that the null hypothesis is true.) Here n is the sample size and p is the population proportion you are testing.np = ]n(1-p) = 0

Answered: (a) State the null hypothesis H and the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.89 versus H₁: p=0.89 n = 500, x=440, α = 0.01 Is npo (1-Po) ≥ 10? Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. Yes, because npo (1 − Po) = 48.95 . B. No, because npo (1-Po) = Now find p. p= 0.88 (Type an integer or a decimal. Do not round.) Find the test statistic Zo. Zo = -0.72 (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.)
A highly selective MBA program wants their students' average score on the GMAT exam to be greater than 650. They want to be able to assert with 95% confidence that this is true in their admissions materials. Select the correct symbols to use in the null hypothesis for this hypothesis test. Ho: [ Select ] [ Select ] V 650.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p= 0.76 versus H₁: p 0.76 n = 500, x=370, α = 0.05 is npo (1-Po) 210? Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) OA. Yes, because npo (1-P) = O B. No, because npo (1-Po) = Now find p. p=(Type an integer or a decimal. Do not round.) Find the test statistic Zo- Zo= (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.) State the conclusion of the hypothesis test. because the P-value is greater less than a
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Bonus Problem: For each situation, decide whether the null hypothesis should be rejected. (a) α = 0.01, P-value = 0.047, (b) α = 0.01, P-value = 0.15.
A recent study at a university showed that the proportion of students who commute more than 15 miles to school is 25%. Suppose we have good reason to suspect that the proportion is greater than 25%, and we carry out a hypothesis test. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. Ho: 0 H;: D O
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.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.4 versus H₁: p> 0.4 n = 125; x = 65, α = 0.1 Is npo (1-Po) ² ≥ 10? No Yes ...
You watch people exiting Dodgers stadium after a game and you write down the number of males and the number of females that exit the stadium past you during the 20 minutes that you spend watching. You assumed that there would be a perfectly equal number of males and females attending a Dodgers game, but you look at the number of males and females that you actually counted, and you see if you still think that is actually true. What kind of hypothesis test would allow you to do this? a. One-Factor, Independent-Measures ANOVA b. Two-Factor ANOVA c. Correlation/Regression d. Chi-Square Goodness of Fit
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(a) State the null hypothesis H and the alternative hypothesis H, that you would use for the test. Ho: 0 O 10 and n(1-p) > 10 under the assumption that the null hypothesis is true.) Here n is the sample size and p is the population proportion you are testing. np = n(1-p) = |