A survey of 200 senior citizens was undertaken and it was found that 26 of them had the flu vaccine thisyear. Do these data suggest that the proportion of senior citizens who get the flu vaccine is significantlyless than 21 % ? Test at a = 0.10. Round your answers to three decimal places, and round any interimcalculations to four decimal places.What is the test statistic?-2.7778Using your answer from the previous question, find the p-value..0027What is the critical value for this test?Part 2 of 3

The value oof x is 26, the value of n is 200 and the value of hypothesized proportion is 0.21.

Answered: A survey of 200 senior citizens was…

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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For a special pre–New Year’s Eve show, a radio station personality has invited a small panel of prominent local citizens to help demonstrate to listeners the adverse effect of alcohol on reaction time. The reaction times (in seconds) before and after consuming four drinks are in data below. At the 0.005 level, has the program host made his point? Identify and interpret the p-value for the test. Data: Subject Before After 1 0.32 0.39 2 0.39 0.44 3 0.36 0.49 4 0.41 0.53 5 0.37 0.46 6 0.42 0.52 7 0.41 0.52 8 0.43 0.46 9 0.39 0.55 10 0.41 0.52 11 0.35 0.45 12 0.42 0.41 13 0.32 0.54 14 0.39 0.46 15 0.41 0.53 16 0.33 0.54 17 0.43 0.46 18 0.42 0.43 19 0.41 0.52 20 0.35 0.52 21 0.39 0.41 22 0.39 0.44 23 0.32 0.50 24 0.33 0.53 25 0.31 0.45 26 0.35 0.45 27 0.31 0.45 28 0.32 0.48 29 0.38 0.54 30 0.37 0.46 31 0.39 0.49 32 0.30 0.51 33 0.40 0.49 34 0.41 0.50 35 0.41 0.53 36 0.35 0.47 37 0.37 0.51 38 0.41 0.46
The percentage of scores falling below a z-score of .65
You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats.You sample 60 men, and 50% own cats.You sample 140 women, and 20% own cats.Find the test statistic, rounded to two decimal places.
Can you solve for the p-value and is H0 rejected or not rejected?
You read a newspaper article that says that 74% of households in your town participate in a recycling program. To test that statement at the 10% significance level, you randomly select 54 households in town and you find that 35 of them participate in the recycling program. Ho: P=0.74 Ha:P=/ 0.74 Find the P-value. Round your answer to 3 decimal places.
Find the value of the test statistic. Round to 3 decimal places. • Claim: The proportion of students using at least one e-book is 23% • Data: x = 56, n = 200 %3! O -1.543 1.879 None of these 1.680 O 1.338
You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 160 men, and 15% own cats. You sample 120 women, and 90% own cats. Find the test statistic, rounded to two decimal places.
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be S0% confident that you estimate is within 5% of the true population proportion. How large of a sample size is required? Hint: Textboo Video
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p 0.32. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? n =
You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 90 men, and 80% own cats.You sample 110 women, and 70% own cats. test statistic = [three decimal accuracy]
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