Answered: A random sample of size 20 drawn from a… | bartleby

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 25PFA

See similar textbooks

Related questions

Question

4

A random sample of size 20 drawn from a normal population yielded the following results:
a = 49.2, s = 1.33.
In testing: Ho : p = 50 versus H1 : 50 at a 0.01 level of significance, the decision is to:

Expert Solution

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A cigarette manufacturer claims that his cigarettes have nicotine content that does not exceed 2.0 milligrams. If a random sample of 10 cigarettes of this type have nicotine contents of 2.0, 2.3 1.7, 2.2, 1.9, 2.2, 2.0, 2.5, 2.1 and 1.9 milligrams, would you agree with the manufacturer's claim? a = 0.05 what is the correct set of hypotheses to test this claim? (A) H0μΣ 2.0 ; H1: μ 2.0 C) HO:μ= 2.0; H1: μ .0 D HO:µ < 2.0; H1: µ 2 2.0
A state biologist is investigating whether the proportion of frogs in a certain area that are bullfrogs has increased in the past ten years. The proportion ten years ago was estimated to be 0.20. From a recent random sample of 150 frogs in the area, 36 are bullfrogs. The biologist will conduct a test of Ho : p= 0.20 versus Ha :p> 0.20. Which of the following is the test statistic for the appropriate test? 0.20 0.24 A (0.24)(0.76) 0.20-0.24 (0.20)(0.80) 0.24 0.20 (0.24)(0.76) 0.24 0.20 (0.20)(0.80) 0.24 0.20 (0.20)(0.80)
Find the value of the test statistic z using z =p - ppqn.A claim is made that the proportion of children who play sports is less than 0.5, and the sample statisticsinclude n = 1320 subjects with 30% saying that they play a sport.
Only about 15% of all people can wiggle their ears. Is this percent different for millionaires? Of the 726 millionaires surveyed, 137 could wiggle their ears. What can be concluded at the 0.05 level of significance? H0: p = 0.15 Ha: p [ Select ] [">", "Not Equal To", "<"] 0.15 Test statistic: [ Select ] ["Z", "T"] p-Value = [ Select ] ["0.07", "0.007", "0.14", "0.004"] [ Select ] ["Fail To Reject Ho", "Reject Ho"] Conclusion: There is [ Select ] ["statistically significant", "insufficient"] evidence to make the conclusion that the population proportion of all millionaires who can wiggle their ears is not equal to 0.15. I NEED THE LAST THREE.
A cigarette manufacturer claims that his cigarettes have nicotine content that does not exceed 2.0 milligrams. If a random sample of 10 cigarettes of this type have nicotine contents of 2.0, 2.3 1.7, 2.2, 1.9, 2.2, 2.0, 2.5, 2.1 and 1.9 milligrams, would you agree with the manufacturer's claim? a = 0.05 (A none of the choices (B yes, there is no sufficient evidence that the average content exceeds to 2.0 milligrams. no, there is a sufficient evidence that the average content exceeds to 2.0 milligrams.
A manufacturer claims that 10% of women using the "pill" suffer from side effects. The Federal Drug Administration (FDA) believes that the manufacturer's claim is too low and decides to test the manufacturer's claim at a = 5 %. A random sample of 900 women who use the manufacturer's pill shows that 103 suffer side effects. %3D The test statistic is: a. 2.33 Ob. 1.59 C. 1.65 Od. 1.44 Oe.
A cigarette manufacturer claims that his cigarettes have nicotine content that does not exceed 2.0 milligrams. If a random sample of 10 cigarettes of this type have nicotine contents of 2.0, 2.3 1.7, 2.2, 1.9, 2.2, 2.0, 2.5, 2.1 and 1.9 milligrams, would you agree with the manufacturer's claim? a = 0.05, what is the computed test statistic for this problem? A none of the choices B) 1.10 C) 2.306 D) 1.1833
a survey is conducted to compare the proportions of men and women whoaccess their bank statements online. Denoting the population propotions by Pm and Pw, a two-proportion z-test is carried out to test Ho: pm = pw against Ha: pm > pw. The values of the test statistic is found to be z = 0.784, and the p-value for the test is found to be 0.216. Which of the following is the correct interpretation of the p-value? a) given that ha is true, the probability of getting a value of z at least as large as 0.784 is 0.216. b) given the results of the survey, the probability that Pm > Pw is 0.216. c) given the results of the survey, the probability that Pm = Pw is 0.216. d) none of the above
a survey is conducted to compare the proportions of men and women whoaccess their bank statements online. Denoting the population propotions by Pm and Pw, a two-proportion z-test is carried out to test Ho: pm = pw against Ha: pm > pw. The values of the test statistic is found to be z = 0.784, and the p-value for the test is found to be 0.216. Which of the following is the correct interpretation of the p-value? a) given that ha is true, the probability of getting a value of z at least as large as 0.784 is 0.216. b) given that ho is true, the probability of getting a value of z at least as large as 0.784 is 0.216. c) given the results of the survey, the probability that Pm > Pw is 0.216. d) given the results of the survey, the probability that Pm = Pw is 0.216. e) none of the above

Recommended textbooks for you

Glencoe Algebra 1, Student Edition, 9780079039897…

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill

Glencoe Algebra 1, Student Edition, 9780079039897…

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill

SEE MORE TEXTBOOKS