Which of the following results in a null hypothesis P Ž 0.44 and alternative hypothesis P 〈 0.44?Select the correct answer below:OAn online article is trying to show that less than 44% of internet users participate in social media, contrary to anestablished figure saying that at least 44% of internet users participate in social mediaOAn online article is trying to show that 44% of internet users participate in social media, contrary to anestablished figure saying that more than 44% of internet users participate in social media.OAn online article is trying to show that more than 44% of internet users participate in social media, contrary toan established figure saying that at most 44% of internet users participate in social media.OAn online article is trying to show that at least 44% of internet users participate in social media, contrary to anestablished figure saying that less than 44% of internet users participate in social media

The null and the alternative hypothesis are given as,

Answered: Which of the following results in a…

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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Are Republicans just as likely as Democrats to display the American flag in front of their residence on the Fourth of July? 459 of the 687 Republicans surveyed display the flag on the Fourth of July and 396 of the 642 Democrats surveyed display the flag on the Fourth of July. What can be concluded at the a = 0.05 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Но: Select an answer > Select an answer Select an answer < Select an answer (Please enter a decimal) b. The test statistic ? O (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.) d. The p-value is ? O a
Which of the following is an improper form of the null and alternative hypotheses? H₂H SH and H₂> Ho Ho: =Hand H₂H40 Ho
20. Which of the following is a null hypothesis? a. Pregnant women who drink cranberry juice will have lower urine bacterial counts than those who do not drink cranberry juice. b. The urine bacterial count of pregnant women who drink cranberry juice will be lower or equal to that of pregnant women who do not drink the juice. c. There will be a difference between ingestion of cranberry juice and among pregnant women who do and do not have high urine bacterial counts.
Identify the conclusion for this hypothesis test. O A. Fail to reject Hn. There is not sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. B. Fail to reject Ho- There is sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. C. Reject Hg. There is sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. O D. Reject Ho. There is not sufficient evidence to warrant support of the claim that more than 20% of users develop nausea.
What number goes in the Null Hypothesis for the following? Fred and Jack have been gambling with a die and Jack is losing. Thus, Jack accuses Fred of having an unfair diethat doesn’t land on Box Cars (six’s) as often as it should. To decide, Jack rolls the die 30 times and it lands on Box Cars only 12% of the time.
In a given hypothesis test, the null hypothesis cannot be rejected at the 0.005 and the 0.01 level of significance, but can be rejected at the 0.03 level. The most accurate statement about the p- value for this test is: O A. p-value 0.03
It has been said in Seattle, Washington that at least 50% of the days are rainy. A researcher wanted to prove this statement. Null Hypothesis:?
Normally only about 19% of people who try to quit smoking succeed, but sellers of a motivational tape claim that listening to their recorded messages can help people quit (i.e., more than 19% of the people who use the tapes will successfully quit). Let p represents the percentage of people who have listened to the recorded messages and have successfully quit. Match the appropriate null and alternative hypotheses, based on the sellers' claim. H,: p = 0.19 p> 0.19 p2 0.19 ps 0.19 p 0.19 p2 0.19 ps 0.19 p < 0.19 Op- 0.19 Do you consider a Type I or Type Il error a more serious mistake here? Why? Your answer should make it clear what Type I and Il errors are in this context.
According to the Centers of Disease Control, about 22% of American young people between the ages of 12 and 19 are obese.A student claims that the students in his local schools are in better shape than the national average, so their proportion of obese students is less than 22%. Which are the appropriate null and alternative hypotheses for this study? H0: p = 22%, HA: p < 22% H0: p ≠ 0, HA: p = 0 H0: p = 22%, HA: p > 22% H0: p = 22%, HA: p ≠ 22% Suppose that the result is to Fail to reject H0.Which is the proper conclusion? There is sufficient evidence to support the claim that the students at his local schools have a smaller proportion of obese students. There is not enough information to answer this question. There is not sufficient evidence to support the claim that the students at his local schools have a smaller proportion of obese students.
Develop the analysis of variance computations for the following completely randomized design. At a = 0.05, is there a significant difference between the treatment means? %3D Treatment A В C 137 106 92 119 113 81 114 125 85 108 105 101 132 107 89 115 109 116 129 96 109 90 115 119 103 97 81 121 118 106 101 2 226.86 137.33 212.22 State the null and alternative hypotheses. Ho: : Not all the population means are equal. Ha: HA = HB = HC Hoi HA = HB = HC H: Not all the population means are equal. Ho: At least two of the population means are equal. H: At least two of the population means are different. Ho: HA = HB = Hc %3D Ha: HA + HB + HC
Consider the following hypothesis test: Но : д > 170 Ha : µ < 170 The value of the test statistic z = -2.12. Find the p-value. Select one: O a. 0.0170 O b. 0.9864 O c. 0.9830 O d. 0.0136

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