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Hi there I need help with these questions You are conducting a study to see if the proportion of voters who prefer the Democratic candidate

Hi there I need help with these questions

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You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly larger than 75% at a level of significance of o = 0.01. According to your sample, 59 out of 78 potential voters prefer the Democratic candidate. a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? " ? a or a decimal) Select an answer er a decimal) fail to reject C. The test statistic ? * ease show your answer to 3 decimal places.) accept d. The p-value = your answer to 4 decimal places.) e. The p-value is ? a reject f. Based on this, we should Select an answer. . the null hypothesis. 10% of all college students volunteer their time. Is the percentage of college students who are volunteers larger for students receiving financial aid? Of the 391 randomly selected students who receive financial aid, 43 of them volunteered their time. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use |Select an answer b. The null and alternative hypotheses would be: Ho: ?v * ?Y * (please enter a decimal) (Please enter a decimal) C. The test statistic ? = # (please show your answer to 3 decimal places.) d. The p-value = * (Please show your answer to 4 decimal places.) e. The p-value is 2 v a f. Based on this. we should Select an answer > a the null hypothesis. The average final exam score for the statistics course is 74%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is lower. The final exam scores for the 13 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 58, 80, 50, 47, 77, 86, 84, 48, 67, 54, 51, 61, 49 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? " ?Y HI: P c. The statistic ?v . # (please show your answer to 3 decimal places.) d. The lue= * (Please show your answer to 4 decimal places.) e. The p-value is ? w a c an answer a the null hypothesis. The commercial for the new Meat Man Barbecue claims that it takes 8 minutes for assembly. A consumer advocate thinks that the assembly time is higher than 8 minutes. The advocate surveyed 14 randomly selected people who purchased the Meat Man Barbecue and found that their average time was 9 minutes. The standard deviation for this survey group was 3.7 minutes. What can be concluded at the the o - 0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v a ?y H1 : c. The statistic ?v * (please show your answer to 3 decimal places.) P d. The | Blue = * (Please show your answer to 4 decimal places.) e. The p-value is ?" a c

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