4.24 Ivy is not sure whether a particular coin is fair. She flips the coin 100 times and decides thatthe coin is not fair if she observes 40 or fewer heads, or 60 or more heads. State the nulland alternative hypotheses Ho and H1, calculate the significance level a, and plot the powerfunction associated with her test.

Answered: Ivy is not sure whether a particular c…

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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You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies: Complete the table. Category A B C D 40 32 Observed Expected Squared Frequency Frequency Residual 10 Ho: PA 21 = 0.5; PB = 0.3; pc = 0.1; PD = 0.1 What is the chi-square test-statistic for this data? x² = Report all answers accurate to three decimal places.
Only numbers 3 and 4
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*11. Show that for the two-tailed test, the p-value is: Vn(Y – 60) 2 1- ¢
teach me how to solve this parametric test 1. A post EPI implementation survey was conducted among 200 randomlyselected children to determine if the aim of the MHO to cover 80% of thetarget population was attained. It was found that 176 of the 200 (88%)children surveyed were immunized. Did the MHO meet his objective? b. If the cure rate for a new drug is 80%, what is the. Probability that atmost, 70% of 50 patients administered with the drug will be cured?
7.16 Using an app or the Web on a smartphone. The Nielsen Company reports that U.S. residents aged 18 to 34 years spend an average of 2.83 hours per day using an app or the Web on a smartphones You wonder if this it true for students at your large university because you rarely see students not using their smartphones. You collect an SRS of n = 75 students and obtain 2 = 3.17 hours with s =1.36 hours. (a) Report the 95% confidence interval for u, the average number of hours per month that students at your university use the Internet on a computer. (b) Use this interval to test whether the average time for students at your university is different from the average, reported by Nielsen. Use the 5% significance level. Summarize your results.
You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies: Ho: PA=0.2; PB = 0.1; Pc = 0.3; PD = 0.4 Complete the table. Round to 3 decimal places. (OE)² Category E A B C D Observed Expecte Frequency Frequency 19 36 41 31 What is the chi-square test-statistic for this data? Report all answers accurate to three decimal places.
Adults tend to believe that a majority of teenagers sleep in on Saturdays, but maybe that is a misconception. A random sample of 120 teenagers showed that 48 slept in the previous Saturday. Use the computer output provided below to determine if there is convincing evidence at the α = 0.05 level that the true proportion of teenagers who slept in on the previous Saturday is less than 0.5. Use this computer output to answer the questions. Because the P-value α, we H0. We convincing evidence that the true proportion of teenagers who slept in on the previous Saturday is .
Question 10: give the conclusion.
19
Question 6 please
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Ivy is not sure whether a particular c the coin is not fair if she observes 4 4.24 and alternative hypotheses Ho and H function associated with her test.