Question

Asked Oct 28, 2019

3 views

Problem 5

1 Rating

Step 1

**Preliminary information:**

Proportion of success in group 1 is *p*_{1} is 0.34.

Proportion of success in group 2 is *p*_{2} is 0.17.

Margin of error, *E=*0.05

Using the EXCEL formula “=NORM.S.INV(1-(0.05/2))”, the z-value for 95% confidence level is obtained as 1.96.

Step 2

**Computation of number of individuals would need to be included:**

The number of individuals would need to be included in...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Assume that police estimate that 13% of drivers do not wear their seatbelts. They set up a safety ro...

A: From the given information,Probability for do not wearing seat belt is 13%And number of cars are 40

Q: The scores on the Wechsler Adult Intelligence Scale are approximately Normal, with ?=100μ=100 and ?=...

A: Given dataMean = 100Standard deviation = 15Probability of scoring less than 130 is given by

Q: Suppose the heights of a population of male giraffes are normally distributed with an unknown popula...

A: To calculate the confidence interval, there is required critical value of z at 0.10 level of signifi...

Q: In a program designed to help patients stop smoking, 195 patients were given sustained care, and 8...

A: The level of confidence is provided as 95% or 0.95. Therefore, the level of significance is equal to...

Q: Using the below table: A1 A2 B1 0.4 0.3 B2 0.2 0.1 Calculate P(A...

A: Conditional rule:The formula for probability of A given B is,

Q: what are the characteristics of a population for which it would be appropriate to use mean/median/mo...

A: The measures of centre or measures of central tendency are those descriptive measures that gives the...

Q: explain please Discrete random variables (rv); definition, distributions, calculation of probabiliti...

A: Hello there! there are more than 3 sub parts in the question. According to our policies cannot answe...

Q: The Excel data file named FoodIndustry.xlsx show the company/chain name, the average sales per store...

A: Note:Hey there! Thank you for posting the question. However, since your question has more than 3 sub...

Q: If your research hypothesis is that the higher a person's IQ, the longer they will live, then your n...

A: Null hypothesis:The null hypothesis represent that there is no difference in the test, which is deno...