Question: 1. Suppose that a study produced the following results: Out of a group of 60 people who took Math Helper before their math exam, only

1. Suppose that a study produced the following results: Out of a group of 60 people who took Math Helper before their math exam, only 8 of them failed the exam. Out of a group of 60 people who took a placebo before the exam, 14 of them failed the exam. Calculate the absolute and relative risk reduction due to taking Math Helper. Also, calculate the number of people who must take Math Helper in order for one person to be helped.
2. Table 2 shows the experiences of 100 people who took a medication designed to prevent a certain condition. Calculate the absolute and the relative risk reduction due to taking the medication. Also, calculate the number of people who must take the medication in order for one person to be helped.
Table 2

Took Placebo 20 Took Medication Developed condition Did not develop condition Total 15 85 80 100 100

Step by Step Solution

★★★★★

3.32 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

1 10 people will be needed becau... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1385-M-S-L-P(2597).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Hoover, the wealthy heir to a candy fortune who spent his days managing his extensive stock and bond portfolio, married Wendy on December 31, 2014 and live in California . Wendy was a physician and...

1. In the California Fantasy 5 lottery, a player pays $1 for a ticket and selects 5 numbers from the numbers 1 through 39. If they match exactly three of the five numbers drawn, they receive $15....

A multinomial experiment produced the following results: At the 1% significance level, can we reject H0: p1 = 0.30, p2 = 0.20 and p3 =0.50? Category Frequency 128 87 185

A multinomial experiment produced the following results: Can we conclude at the 1% significance level that the population proportions are notequal? Category Frequency 4 1 2 57 63 70

MS1023 Business Statistics w/Comp Apps I Homework #3B - Use Red Par Score Form Chps. 9 & 10: 100 Questions 1. A null hypothesis must always include the equality sign. a) True b) False 2. If the...

Please help me to answer these questions. Thank you so much. QUESTIONS: 1. The following are descriptive statistics EXCEPT A. 25% of those who took the licensure exam for teachers failed. B. Based...

Show all working. 1. The following table gives the frequency distribution of the number of hours each group of people out of 40 took to finish the same amount of work. [10 Marks] Number of hours 4-6...

Please read the question Question : What are "spaced practice", "varied practice", and "interleaved practice"? Give a definition for each. Then give an example of each from your own experience as a...

0 Question 23 B 0/1 pt '0 3 8 99 (9 Details 14% of all college students volunteer their time. Is the percentage of college students who are volunteers larger for students receiving financial aid? Of...

Suppose that a random variable is normally distributed with mean and variance 2, and we draw a random sample of five observations from this distribution. What is the joint probability density...

What are the typical sources of financing for general government capital projects? How are these sources reported in the statement of revenues, expenditures, and changes in fund balance for a Capital...

(11) Derive the conclusion of the following symbolized arguments. Use conditional proof or indirect proof as needed. 1. (x){Ax [(y)By Cx]} 2. (x)(Ax Bx) / (x)Cx

Perdue Company purchased equipment on April 1, 2012, for $270,000. The equipment was expected to have a useful life of three years, or 18,000 operating hours, and a residual value of $9,000. The...

Dexter Industries purchased packaging equipment on January 8 for $72,000. The equipment was expected to have a useful life of three years, or 18,000 operating hours, and a residual value of $4,500....

Battery Limited uses a perpetual inventory system. The inventory records show the following data for its first month of operations: Calculate the cost of goods sold and ending inventory using (a)...

?Many companies use stock repurchases to increase earnings per share. For example, suppose that a company is in the following position: The company now repurchases 200,000 shares at $200 a share. The...

Forest Components makes aircraft parts. The following transactions occurred in July: 1. Purchased $119,000 of materials. 2. Issued $117,600 in direct materials to the production department. 3. Issued...

Think of a good or service youve purchased in the last month. Explain how your purchase changed GDP by using each of the three ways to measure GDP: adding up every dollar spent, adding up every...

The weight of a sophisticated running shoe is normally distributed with a mean of 12 ounces and a standard deviation of 0.5 ounce. (a) What is the probability that a shoe weighs more than 13 ounces?...

Suppose that X is a binomial random variable with n = 200 and p = 0.4. (a) Approximate the probability that X is less than or equal to 70. (b) Approximate the probability that X is greater than 70...

Suppose that X is a binomial random variable with n = 100 and p = 0.1. (a) Compute the exact probability that X is less than 4. (b) Approximate the probability that X is less than 4 and compare to...

Ford Motors expects a new hybrid-engine project to produce incremental cash flows of $50 million each year, and expects these to grow at 3% each year. The upfront project costs are $380 million and...

You are buying a car that cost $36,014. You have no money to put down. You can either: 1. Get a rebate of $1,382 and finance the rest of the cost of the car ($36,014 - $1382) at an interest rate of...

hello thisnis muliple answer question (a,b) that i need your help with. thank you in advance. A. Wiggins, L. Stokes, and K. Hayes are forming a partnership. Wiggins is transferring $77,000 of...