Question 19 4 pts A random sample of 100 students at a high school was asked...
did i get this correct? Question 19 4 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the...
Question 21 4 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in...
Question 20 4 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in...
Question 22 2 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in...
A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in the proportions. Use α...
did i get this correct? 4 pts Question 21 A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the...
Suppose you were asked to determine if the population proportions of women who do yoga is different in two different countries. State the null and alternative hypotheses, where p1 is the proportion of women in the population of the first country and p2 is the proportion of women in the population of the second country. Select the correct answer below: Null Hypothesis: H, :P - P2 = 0 Alternative Hypothesis: H.-P. P < 0 Null Hypothesis: HOP - P2=0 Alternative...
9.1 question 10 what is the p- value? what is the confidence interval? 9.1 question 10 part 2 what is the p- value? what is the confidence interval? Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 86 of the 99 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on...
A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2736 occupants not wearing seat belts, 39 were killed. Among 7798 occupants wearing seat belts, 19 were killed. Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (C) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of occupants not wearing seat belts and the second...
Question Help Instructor-created question A simple random sample of front-soat occupants involved in car crashes is obtained. Among 2927 occupants not wearing seat belts, 28 were killed. Among 7679 occupants wearing seat belts, 17 were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities. Consider the first sample to be the sample of occupants not wearing seat belts and the second sample to be the sample of occupants wearing seat belts....