A researcher assures that in his country, on average, the salary of workers is less than $5000.00.identifya) The research hypothesis H1b) The null hypothesis H0c) The rejection region of the null hypothesisO a) H1: u > $5000.00b) Họ: u < $5000.00c) [tin-1) , 0)O a) H1: µ < $5000.00b) Họ: u > $5000.00c) (-00, -tin-1)]a) H1: µ > $5000.00b) Ho: μ< $5000.00c) (-00 , -t{n-1)]a) H1: µ < $5000.00b) Họ: u > $5000.00c) [tin-1) , 0)

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Answered: A researcher assures that in his…

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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40 - 20 out of 200 men and 30 out of 300 women randomly selected in one region are anti-vaccine. Which of the following is a point estimate of the difference between the proportions of men and women who are not vaccinated? a) 0.04 B) 0.20 NS) 0 D) 0.10 TO) 0.01
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2 A medical researcher wishes to determine if the way people pay for their medical prescriptions is distributed as follows: 60% personal funds, 25% insurance, 15% Medicare. A random sample of 50 people found that 32 ut of paid with their own money, 10 paid using insurance, and 8 paid using Medicare. At a= 0.05, is the assumption correct? Use the P-value method. A- 四四 !!
15 It is desired to investigate the status of participation in business development trainings in a factory. According to these results, which of the following is the hypothesis of the hypothesis that the age factor is effective in participation in education? a) Since χ2 is the calculated < χ2 table value, Hs is rejected. B) Ho is rejected because χ2 is the calculated < χ2 table value. NS) Ho is rejected since χ2 calculated = χ2 table value. D) Ho is rejected since χ2 is the calculated > χ2 table value. TO) Since χ2 is the calculated > χ2 table value, Hs is accepted.
35) Using the Wilcoxon Signed-Rank Test with a = 0.05 you take a sample of n = 15.From the sample data you calculate a sum of the positive ranks T* = 89.5. What is thetest statistic for the hypothesis test?A) 2.33B) -1.96C) 1.96D) -1.65E) 1.65
1
Does the label “GLUTEN FREE” guarantee that a food hasabsolutely NO gluten? FDA guidelines state a food must contain less than 20 partsper million of gluten to qualify as gluten free. (So some foods containing somegluten may legally qualify as gluten free.) A brand of crackers claiming to begluten free was tested ; for a sample of 7 batches of these crackers, the gluten levelsin parts per million were: 9 20 14 22 14 12 15Perform a hypothesis test to determine if the average gluten content is less than 20parts per million so that the manufacturer can support its claim that the crackerscan be represented as gluten free. Use a 3% level of significance.
Construct an 80% confidence interval to estimate the population mean when x = 55 and s = 14.4 for the sample sizes below. a) n = 24 b) n=45 c) n = 56 a) The 80% confidence interval for the population mean when n = 24 is from a lower limit of (Round to two decimal places as needed.) to an upper limit of b) The 80% confidence interval for the population mean when n = 45 is from a lower limit of to an upper limit of (Round to two decimal places as needed.) to an upper limit of c) The 80% confidence interval for the population mean when n = 56 is from a lower limit of (Round to two decimal places as needed.) Help me solve this View an example Ask my instructor t be here to search 79°F Nex
A new process has been designed to make ceramic tiles. The goal is to have no more than 5% of the tiles be nonconforming due to surface defects. A random sample of 1000 tiles is inspected. Let X be the number of nonconforming tiles in the sample. a) If 5% of the tiles produced are nonconforming, what is P(X ≥ 75)? b) Based on the answer to part (a), if 5% of the tiles are nonconforming, is 75 nonconforming tiles out of 1000 an unusually large number? c) If 75 of the sample tiles were nonconforming, would it be plausible that the goal had been reached? Explain. d) If 5% of the tiles produced are nonconforming, what is P(X ≥ 53)? e) Based on the answer to part (d), if 5% of the tiles are nonconforming, is 53 nonconforming tiles out of 1000 an unusually large number? f) If 53 of the sample tiles were nonconforming, would it be plausible that the goal had been reached? Explain.
16. More hypotheses Write the null and alternative hypotheses you would use to test each situation.a) In the 1950s, only about 40% of high school graduates wenton to college. Has the percentage changed? b) Twenty percent of cars of a certain model have needed costly transmission work after being driven between 50,000 and 100,000 miles. The manufacturer hopes that a redesign of atransmission component has solved this problem. c) We field-test a new-flavor soft drink, planning to market it only if we are sure that over 60% of the people like the flavor.
only excel file is acceptable for that please do with excel
In CDMX, the population average of the age of pregnant women is 19 years. A sociologist believes that in the city where she lives the average is higher. she identifies a) The research hypothesis H1 b) The null hypothesis H0 c) The rejection region of the null hypothesis a) H;: µ > 19 b) Hо: д 19 b) Họ: µ 19 c) [tin-1) , 0) O a) H1: µ 19 c) (-00 , - tin-1)]

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