A hypothesis test is conducted with a significance level of 10%. The alternative hypothesis states that more than 15% of a population has at least one sibling. The p-value for the test is calculated to be 0.27. Which statement is correct?O We can conclude that more than 27% of the population has at least one sibling.O We can conclude that exactly 27% of the population has at least one sibling.O We can conclude that more than 15% of the population has at least one sibling.O We cannot conclude that more than 15% of the population has at least one sibling.O There is not enough information given to make a conclusion.

Answered: A hypothesis test is conducted with 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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The distribution of majors at the college is shown below. Major Math/Science Arts and Humanities Business and Economics Others Percents 24 33 34 9 Suppose a random sample of 400 athletes from the college are surveyed. The table below shows the results of the survey. Major Math/Science Arts and Humanities Business and Economics Others Frequency 95 146 118 41 What can be concluded at the 0.05 level of significance? Perform the hypothesis test. H0: The distribution of majors for athletes at the college is the same as the distribution of majors for the general population. H1: The distribution of majors for athletes at the college is not the same as the distribution of majors for the general population. p-Value = [ Select ] ["0.04", "0.38", "0.21", "0.00"] Conclusion: [ Select ] ["There is insufficient evidence to support the claim that athletes' majors follow the same or a different distribution as majors from the entire student body.", "There is statistically…
Please show all work. Pvalue?
Ho H. CV ents 1. HA is the distribution of sample means according to the alternative hypothesis. Shade in the area that corresponds to a Type I error. On the diagram above, Ho is the distribution of sample means according to the null hypothesis, and
When we test the hypothesis that the population proportions are equal, we can use the Z test for a one-sided as well as a two-sided alternative. Select one: a. False b. True C. Not sure
A researcher wants to test if elementary school children spend less than 30 minutes per day on homework. The null hypothesis for this example will be that the population mean is: O greater than or equal to 30 minutes O not equal to 30 minutes O less than or equal to 30 minutes O less than 30 minutes
Suppose your psychic friend correctly identified more than 25% of the cards. a. A hypothesis test gave a P-value of 0.014. What do you conclude? b. What would you conclude if the P-value had been 0.245?
The mean household value in a city is $268,000. You believe that the mean household value in a particular neighborhood is lower than the city average. Write the null hypothesis to test this. Question 13 options: HO:μ=$268,000 HO:μ≤$268,000 HO:μ>$268,000 HO:μ≥$268,000
What percentage of hospitals provide at least some charity care? Based on a random sample of hospital reports from eastern states, the following information is obtained (units in percentage of hospitals providing at least some charity care):
..
A. Read and understand the given statements below. Determine the value of or a based on the alternative hypothesis in decimal form. Write your answer in mathematical symbol in your notebook. 1. In 2015, it was recorded that around 34% of the population in 2015 were not married. A researcher surveyed a random sample of 500 couples. He found out that 18% of them were living together but unmarried. Test at 5% significance level that the current percentage of unmarried couples is different from 34%.
Twenty students were randomly asked about their grades in English and Social Studies. (check attached photo) 1. What is the response variable in the study? A. grade in English B. grade in Social Studies C. either A or B D. neither A or B 2. What is the explanatory variable in the study? A. grade in English B. grade in Social Studies C. either A or B D. neither A or B 3. If the predictor variable is the grade in English, what is the value of the slope estimate? (Write in the nearest hundredths) 4. Interpret the value of the slope if the predictor variable is the grade in English. 5. If the predictor variable is the grade in English, what is the value of the y-intercept? 6. Interpret the value of the y-intercept if the predictor variable is the grade in English. 7. Write the regression line equation that predicts a student's grade in English?
1

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