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Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: 33 not claim H₁: μ<33 claim This hypothesis test is a one-tailed ▼test. Part: 1/5 Part 2 of 5 (b) Find the critical value(s). Round the answer to three decimal places. If there is more than one critical value, seperate them with commas. Critical value(s): D.D.... Use the critical value method and tables. X

Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: 33 not claim H₁: μ<33 claim This hypothesis test is a one-tailed ▼test. Part: 1/5 Part 2 of 5 (b) Find the critical value(s). Round the answer to three decimal places. If there is more than one critical value, seperate them with commas. Critical value(s): D.D.... Use the critical value method and tables. X

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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C. Compute the test value D. Make a decision
Cigarette Smoking A researcher found that a cigarette smoker smokes on average 33 cigarettes a day. She feels that this average is too high. She selected a random sample of 10 smokers and found that the mean number of cigarettes they smoked per day was 27. The sample standard deviation was 2.5. At a=0.01, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the critical value method and tables. Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: u = 33 not claim H₁: μ<33 claim This hypothesis test is a one-tailed Part: 1 / 5 Part 2 of 5 (b) Find the critical value(s). Round the answer to three decimal places. If there is more than one critical value, seperate them with commas. Critical value(s): 0.0.... ▼test. X
Transcribed Image Text:Cigarette Smoking A researcher found that a cigarette smoker smokes on average 33 cigarettes a day. She feels that this average is too high. She selected a random sample of 10 smokers and found that the mean number of cigarettes they smoked per day was 27. The sample standard deviation was 2.5. At a=0.01, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the critical value method and tables. Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: u = 33 not claim H₁: μ<33 claim This hypothesis test is a one-tailed Part: 1 / 5 Part 2 of 5 (b) Find the critical value(s). Round the answer to three decimal places. If there is more than one critical value, seperate them with commas. Critical value(s): 0.0.... ▼test. X
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