please answer all parts!
The director of research and development is testing a new medicine, She wants to know if there is evidence that the medicine relieves pain in less than 390 seconds on average. For a sample of 100 patients, the average time in which the medicine relieved pain was 382 seconds. Assume the standard deviation is 24 seconds. 1. State the alternative hypothesis | [ Select ] 2. Specify if the test is one-tailed or two-tailed [ Select ] 3. Which test of significance is most appropriate for this data? [ Select ] 4. Calculate the value of the test statistic [ Select ] 5. Suppose we are told that the p-value for the test is less than 1%, this would mean (pick the best option from the list below) [ Select ]Question 14 12 pts A bag of chewie candies contains 6 orange, 4 yellow, 4 red, and 1 green for a total of 15 candies. Your friend asks for the first two that come out of the bag. You can assume this is done randomly, without replacement. 1. What is the chance the second candy chosen is red? [ Select ] 2. If the first candy is red, what is the chance the second one is also red? [ Select ] 3. What is the chance your friend gets two orange candies? [ Select ] 4. What is the chance the first candy is green or yellow? [ Select ]Medical Debt in America According to debt.com in 2020, 56% of Americans have medical bills in collection. On average, Americans owe $5,000 in medical expenses, with an SD of $12,500. In fact, 5% of Americans owe more than $50,000 in medical bills. 1. Are the following variables qualitative or quantitative? . Whether or not you have medical debt qualitative . The amount of debt you have in medical expenses quantitative . Whether or not you owe more than $50,000 in medical bills qualitative 2. Are these numbers (56%, $5,000, 5%) parameters or statistics? [ Select ] 3. Suppose we take a random sample of 750 Americans. a. What do you expect the sample percentage who have medical bills in collection to be? [ Select ] Give or take what3. Suppose we take a random sample of 750 Americans. a. What do you expect the sample percentage who have medical bills in collection to be? [ Select ] Give or take what percentage? [ Select ] b. What do you expect the average medical debt of the sample to be? [ Select ] Give or take how much? [ Select ] 4. A random sample of 100 Americans will be obtained to ascertain the percentage who have more than $50,000 of medical bills. We expect that the sample percentage with more than $50,000 in medical bills will be 5%, give or take 2.18%. a. Would it surprise you to find that 8% of the sample has more than $50,000 of medical bills? [ Select ] b. Another random sample of 500 Americans is going to be taken by a different polling agency to ascertain the percentage of Americans who have more than $50,000 of medical bills. Which sample is more accurate? [ Select ]
