I need help with this problem. I need help with all the parts to the question. Kelly is a waitress and her average tip rate is 18%. After taking a sample of her tips from a week, she thinksher tip rate is actually higher. The data below is the tip rate for 15 randomly chosen checks (the numbersrepresent percentage). Assume that tip rates are normally distributed.18.52017.9221818.1Ha: Select an answera) Express the null and alternative hypotheses in symbolic form for this claim.Ho: Select an answerPvalue=b) What is the test statistic. Round to 2 decimals. Dont forget to indicate if it is z= or t=.c) What is the p-value. Round to 4 decimals1721.317.5d) Make a decision based on a c = .05O Reject the nullO Do not reject the null18.217.920e) What is the conclusion?1519.618O There is not sufficient evidence to support the claim that Kelly's average tip rate is greater than 18%O There is sufficient evidence to support the claim that Kelly's average tip rate is greater than 18%

Answered: Image /qna-images/answer/9ac11a3b-9c4b-440a-87ef-a03dee52f59b.jpg

Kelly is a waitress and her average tip rate is 18%. After taking a sample of her tips from a week, she thinks her tip rate is actually higher. The data below is the tip rate for 15 randomly chosen checks (the numbers represent percentage). Assume that tip rates are normally distributed. 18.5 20 17.9 22 18 18.1 P-value= a) Express the null and alternative hypotheses in symbolic form for this claim. Ho: Select an answer H: Select an answer b) What is the test statistic. Round to 2 decimals. Dont forget to indicate if it is z= or t=. c) What is the p-value. Round to 4 decimals 17 21.3 17.5 d) Make a decision based on a c= .05 O Reject the null O Do not reject the null 18.2 17.9 20 e) What is the conclusion? 15 19.6 18 O There is not sufficient evidence to support the claim that Kelly's average tip rate is greater than 18% greater than 18% O There is sufficient evidence to support the claim that Kelly's average tip rate

Kelly is a waitress and her average tip rate is 18%. After taking a sample of her tips from a week, she thinks her tip rate is actually higher. The data below is the tip rate for 15 randomly chosen checks (the numbers represent percentage). Assume that tip rates are normally distributed. 18.5 20 17.9 22 18 18.1 P-value= a) Express the null and alternative hypotheses in symbolic form for this claim. Ho: Select an answer H: Select an answer b) What is the test statistic. Round to 2 decimals. Dont forget to indicate if it is z= or t=. c) What is the p-value. Round to 4 decimals 17 21.3 17.5 d) Make a decision based on a c= .05 O Reject the null O Do not reject the null 18.2 17.9 20 e) What is the conclusion? 15 19.6 18 O There is not sufficient evidence to support the claim that Kelly's average tip rate is greater than 18% greater than 18% O There is sufficient evidence to support the claim that Kelly's average tip rate

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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