Solve problem 13Write the null and alternative hypothesis for each claim 10. A medical researcher believes that the mean time inminutes that ibuprofen relieves pain is less than themean time in minutes that aspirin relieves pain.For Exercises 11-16, write the null and alternate hypothesesfor each claim.II. A researcher believes that the percentage of men whobelieve that taking the law into one's own hands issometimes justified is greater than the percentage ofwomen who feel that way.12. An environmentalist believes that the percentage of airpollution produced by trucks is less than the percentageof air pollution produced by automobiles.13. A psychiatrist thinks that the percentage of men whosay that they suffer from a great deal of stress during theweek is greater than the percentage of women who saythat.14. A media consultant thinks that the percentage ofcollege-educated adults who watch the early news ontelevision is greater than the percentage of adults whodo not have a college degree who watch the early newson television.15. An attorney states that the percentage of criminal triallawyers who think that the bar exam does not measuretheir ability to practice law is not the same as the per-centage of civil trial lawyers who feel that way.16. A school superintendent believes that the percentage ofsenior high school students in her school district whothe same 13. A psychiatrist thinks that the percentage of men whosay that they suffer from a great deal of stress during theweek is greater than the percentage of women who saythat.

Let p1 be the percentage of men who say they suffer from great deal of stress and p2 be the…

Answered: Solve problem 13 Write the null and…

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Solve problem 13 Write the null and alternative hypothesis for each claim

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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Questions 1 and 2: Set up the Null and Alternative hypotheses to test the following claims: 1. A health insurance company wants to determine if more than 25% of U.S. residents have been to a hospital emergency room within the past year. State the null and alternative hypotheses. H0: HA: 2. A company makes canned clam chowder (a delicious New England tradition). On the label, the company claims that the chowder contains (on average) 3.5 grams of Total Fat per serving. A consumer group would like to test this claim is true. State the null and alternative hypotheses that you would use to test if the mean amount of Total Fat per serving differs from 3.5 grams: H0: HA:
Let A and B be the two possible outcomes of an experiment and suppose P(A) = 0.4, P(AUB) = 0.7 And P(B) = P. (i) For what choice of p are A and B mutually exclusive? (ii) For what choice of p are A and B independent?
Q2.6. (based on Problem 2.33; page 52) (1) If a multiple-choice test consists of 7 questions, each with 4 possible answers of which only 1 is correct,: a. in how many different ways can a student check off one answer to each question? b. in how many ways can a student check off one answer to each question and get all the answers wrong?
Questions 1 and 2: Set up the Null and Alternative hypotheses to test the following claims: 1. A health insurance company wants to determine if less than 25% of U.S. residents have been to a hospital emergency room within the past year. State the null and alternative hypotheses. H0: HA: 2. A company makes canned clam chowder (a delicious New England tradition). On the label, the company claims that the chowder contains (on average) 3.5 grams of Total Fat per serving. A consumer group would like to test this claim is true. State the null and alternative hypotheses that you would use to test if the mean amount of Total Fat per serving differs from 3.5 grams: H0: HA:
QUESTION 4 Assume you are conducting a hypothesis test to determine if pesticides cause cancer in rural areas. The hypotheses are: The null hypothesis is no cancer. The alternate hypothesis is cancer. Select if the result for Box B is correct, a Type I error, a Type Il error or if there is insufficient information to make the decision. *****Read the labels very carefully. Но: по сапсer Ha: cancer Reality: Reality: Null is true Alternate is true (i.e. no cancer) (i.e. cancer) Decision: Accept the null hypothesis (i.e. test is negative for cancer) A B
An experiment was conducted to test whether classical music helps with mathematical performance. To study this, participants (n=9) were given an algebra test. Half of the sample completed the test in a room with classical music playing while the other half completed it in a room with no sounds at all. After a brief rest, the two groups switched rooms and completed a slightly modified version of the algebra test. Thus, all participants experienced both conditions. The scores for the two conditions were then compared, showing that listening to classical music did help mathematical performance by an average of MD =2 points with SS =32. a. Calculate the estimated standard error. b. Compute the t statistic and state the conclusion of these findings.
QUESTION 5 Assume you are conducting a hypothesis test to determine if pesticides cause cancer in rural areas. The hypotheses are: The null hypothesis is no cancer. The alternate hypothesis is cancer. Select if the result for Box C is correct, a Type I error, a Type |l error or if there is insufficient information to make the decision. *****Read the labels very carefully. Н: по сапсer На: сапсer Reality: Reality: Null is true Alternate is true (i.e. no cancer) (i.e. cancer) Decision: Accept the null hypothesis (i.e. test is negative for cancer) A B
Question 10: give the conclusion.
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facing up. The student rolls the cube 100 times and lands with 6 facing up 20 times. The P-value for the test of the hypotheses, Hop-0.17 and H p>0.17, is 0.19. What is the correct conclusion given a=0.05? O Because the P-value is less than a=0.05, the student should reject Ho. O Because the P-value is less than a=0.05, the student should reject Ho. O Because the P-value is greater than a=0.05, the student should reject Ho: O Because the P-value is greater than a=0.05, the student should fail to reject Ho. Save and Exit Next Submit Mark this and return 23 $ & 3 4. 5 6. 7 8. y d f h k 60
FOR THIS, WE REJECT THE NULL FOR BOTH MODELS.
An experiment was conducted to test whether classical music helps with mathematical performance. To study this, participants (n=9) were given an algebra test. Half of the sample completed the test in a room with classical music playing while the other half completed it in a room with no sounds at all. After a brief rest, the two groups switched rooms and completed a slightly modified version of the algebra test. Thus, all participants experienced both conditions. The scores for the two conditions were then compared, showing that listening to classical music did help mathematical performance by an average of MD =2 points with SS =32. a. Calculate the estimated standard error. b. Compute the t statistic and state the conclusion of these findings.