You are conducting a study to see if the proportion of voters who prefer Candidate A is significantlylarger than 70% at a significance level of a= 0.01. According to your sample, 59 out of 77 potential votersprefer Candidate A.1. For this study, we should use Select an answeres2. The null and alternative hypotheses would be:Ho: 2 vselect an answer v(please enter a decimal)H:? vSelect an answer v(Please enter a decimal)ncesrations3. The test statistic-(please show your answer to 3 decimal places.)Drive4. The p-value =(Please show your answer to 4 decimal places.)655. The p-value is Select an answerMat Courseions6. Based on this, we should Select an answer v the null hypothesis.7. As such, the final conclusion is that ...O The sample data suggest that the population proportion is not significantly larger than 70%at a 0.01, so there is not sufficient evidence to conclude that the proportion of voters whoprefer Candidate A is larger than 70%.O The sample data suggest that the populaton proportion is significantly larger than 70% at a =0.01, so there is sufficient evidence to conclude that the proportion of voters who preferCandidate A is larger than 70%Submit Questione here to search

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Description: You are conducting a study to see if the proportion of voters who prefer Candidate A is significantlylarger than 70% at a significance level of a= 0.01. According to your sample, 59 out of 77 potential votersprefer Candidate A.1. For this study, we

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You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly larger than 70% at a significance level of a = 0.01. According to your sample, 59 out of 77 potential voters prefer Candidate A. 1. For this study, we should use Select an answer 2. The null and alternative hypotheses would be: Ho: ? v Select an answer v (please enter a decimal) H:? vSelect an answer v (Please enter a decimal) ces ations 3. The test statistic- (please show your answer to 3 decimal places.) Drive 4. The p-value = (Please show your answer to 4 decimal places.) 55 5. The p-value is Select an answer a Course ons 6. Based on this, we should Select an answer v the null hypothesis. 7. As such, the final conclusion is that ... O The sample data suggest that the population proportion is not significantly larger than 70% at a - 0.01, so there is not sufficient evidence to concdlude that the proportion of voters who prefer Candidate A is larger than 70%. O The sample data suggest that the populaton proportion is significantly larger than 70% at a = 0.01, so there is sufficient evidence to conclude that the proportion of voters who prefer Candidate A is larger than 70% Submit Question e here to search

You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly larger than 70% at a significance level of a = 0.01. According to your sample, 59 out of 77 potential voters prefer Candidate A. 1. For this study, we should use Select an answer 2. The null and alternative hypotheses would be: Ho: ? v Select an answer v (please enter a decimal) H:? vSelect an answer v (Please enter a decimal) ces ations 3. The test statistic- (please show your answer to 3 decimal places.) Drive 4. The p-value = (Please show your answer to 4 decimal places.) 55 5. The p-value is Select an answer a Course ons 6. Based on this, we should Select an answer v the null hypothesis. 7. As such, the final conclusion is that ... O The sample data suggest that the population proportion is not significantly larger than 70% at a - 0.01, so there is not sufficient evidence to concdlude that the proportion of voters who prefer Candidate A is larger than 70%. O The sample data suggest that the populaton proportion is significantly larger than 70% at a = 0.01, so there is sufficient evidence to conclude that the proportion of voters who prefer Candidate A is larger than 70% Submit Question e here to search

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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A market research team thinks that their new ad campaign is better than their old one. They used to be able to sell to 50% of those who saw their ads. To test their thought, they will run a hypothesis test. They take a random sample of 100 potential buyers and find that they convinced 60 of these people to buy their product. The test will be run at a 1% significance level. O a. The test statistic is 2 and we conclude that the new ad campaign is not signficantly better. O b. The test statistic is 2 and we conclude that the new ad campaign is signficantly better. O. The test stat is 2.236 and we conclude that the new ad campaign is not significantly better. O d. The test stat is 2.236 and we conclude that the new ad campaign is significantly better. O e. The test stat is 2.5 and we are left with a test that is inconclusive.
If alpha= 0.05 and the p-value = 0.01, what decision do you make? O Fail to Reject Ho O Reject Ho O Reject Ha Fail to Reject Ha app.honorlock.com is sharing your screen. Stop sha
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Q2. A survey is made asking people that they dinned out in the New Year Eve. Males and female are asked if they remember the name of restaurant that visited in the last new year eve. The reason of the survey to find out if there is a relation between the person's ability to recall and the gender. Use the significance level a = 0.025 to make a hypothesis test. Female Male 52 44 Can Recall Can Not Recall 23 40 APPENDIX G 859 APPENDIX G Values of X for Selected Probabilities fo2t x x²=9.2363 PROBABILITIES (OR AREAS UNDER CHI-SQUARE DISTRIBUTION CURVE ABOVE GIVEN CHI-SQUARE VALUES) 0.95 0.90 0.10 0.05 0.025 0.01 0.005 Values of Chi-Squared 0.995 0.99 0975 of 0.0158 27055 1 0.0000 0.0002 00010 0.0039 0.0158 27055 38415 50239 6.6349 7.8794 2 0.0100 0.0201 0.0506 0.1026 02107 46052 59915 7.3778 9.2104 10.5965 3 0.0717 0.1148 02158 0.3538 0.5844 6.2514 7.8147 9.3484 11.3449 12.8381 4 0.2070 0.2971 0.4844 0.7107 10636 7.7794 9.4877 11.1433 13.2767 14.8602 5 04118 0.5543 08312 1.1455 1.6103…
A shopkeeper wonders if number of their female and male customers are equal or not. They count the customers of each gender for a day, they find that 48 females and 53 males visit the shop. Make a hypothesis test to decide if number of females and males are significantly different from each other or not. Report a p-value for significance.
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
2. We ask whether people will score higher or lower on a questionnaire of their well-being when they are exposed to sunshine compared to when they're not exposed to sunshine. A sample of 8 people is first measured after low levels of sunshine exposure and then again after high levels of exposure. We get the following pairs of scores: Low: 14 13 17 15 18 17 14 16 High: 18 12 20 19 22 19 19 16 a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obu) (Use paired/related sample t test to obtain this info) d. What should you conclude?
how do i solve for parts b, d, and e?
The amount of syrup that people put on their pancakes is normally distributed with mean 55 mL and standard deviation 10 mL. Suppose that 15 randomly selected people are observed pouring syrup on their pancakes. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the distribution of ? I - N( c. If a single randomly selected individual is observed, find the probability that this person consumes is between 57.7 mL and 61.3 mL. d. For the group of 15 pancake eaters, find the probability that the average amount of syrup is between 57.7 ml and 61.3 mL. e. For part d), is the assumption that the distribution is normal necessary? O NoO Yes
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A political scientist claims that 38% of first-year college students characterize themselves as being “moderate” or “middle of the road” as far as their political affiliation is concerned. Believing this claimed value is too high, you survey a random sample of 400 first-year college students and find that 120 characterize themselves as being “moderate” or “middle of the road.” Based on this information, what will the test statistic be? Choose the answer below that is closest to what you calculate, and try not to do a lot of rounding until you get to the very end of your calculations. 1. -0.3 2. -1.2 3. -2.6 4. -3.3 5. None of the other answer options are correct because the test statistic should be positive, not negative.