(k) 2 2 (1) 7 15.2-*=0 10 7 = 3

We wish to demonstrate that the average time to graduate from school is afected by the students who have taken AP calculus in hgh school. Specially, we wish to demonstrate the students who have taken AP calculus in high school graduate an average of more than .25 years sooner than students who have not taken AP calculus in high school. If we let μ1 denote the average time to graduate for students who have not taken AP calculus and μ2 dentoe the average time to graduate for students who have taken AP calculus, what is the apropriate null hypothesis

In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1160 American adults if they believe there was a conspiracy in the assassination and it found that 897 believe there was a conspiracy. Does the data show that the proportion of Americans who believe in this conspiracy is now lower? Test at the 9% level.  Check those assumptions:          1. npnp =  which is                 2. n(1−p)n(1-p) =  which is                 3. NN =  which is              The formula set up of the test statistic is as follows.:        (Leave any values that were given as fractions as fractions) z=pˆ−p√p(1−p)n=z=p̂-pp(1-p)n=      Final answer for the test statistic from technology.      Round to 2 decimal places:      z =

how do I evaluate when k is greater than 1

A new drug is released to market and it has been determined that the drug is responsible for causing hypertension among those individuals who take the drug if 30276 individuals were prescribed the drug in its 1st year on the market and 17620 individuals developed hypertension what is the point prevalence of hypertension among those individuals described the drug after the drugs 1st year on the market

We wish to demonstrate that the average time to graduate from Tulane is affected by the students having taken AP calculus in high school. Specially, we wish to demonstrate that students who have taken AP calculus in high school graduate an average of more than 0.25 years sooner than students who have not taken AP calculus in high school. If we let       denote the average time to graduate for students who have not taken AP calculus and  denotes the average time to graduate for students who have taken AP calculus, then select the appropriate alternative hypothesis.

a researcher claims that 85% of Americans think there are unlikely to contract the zika virus in a random sample of 250 Americans 225 think that they're unlikely to contract the Zika virus. At x=0.05 is there enough evidence to reject the researcher's claim?

Suppose that we identify 155 women 50 to 54 years of age who have both a mother and a sister with a history of breast cancer. 18 of these women themselves have developed breast cancer at some time in their lives. If we assume that the proportion of breast cancer cases in women whose mothers have had breast cancer is 8%, does having a sister with the disease increase the risk? Find the p-value.

We wish to demonstrate that the average time to graduate from college is affected by the students having taken AP calculus in high school. Specifically we wish to demonstrate that students who have taken AP calculus in high school gradate an average of at most 0.25 years sooner than students who have not taken AP calculus in high school. If we let μ1 demote the average time to graduate for students who have not taken AP calculus and μ2 denote the average time to graduate for students who have taken AP calculus, then select the appropriate alternative hypothesis: a. μ1-μ2 = 0 b. μ1-μ2-0.25 < 0 c. μ1-μ2-0.25>0 Please explain

Suppose that you randomly selected 23 adults. Assume 13% of the population smoke.  Round all answers to 2 decimal places.a) Using the Range Rule of Thumb, what is the minimum number of usual smokers we can expect to get out of 23 adults?b) Using the Range Rule of Thumb, what is the maximum number of usual smokers we can expect to get out of 23 adults?