Reference no: EM13953130
A polling company split a random sample in half and asked 477 respondents the question generally speaking, do you believe the death is applied fairly or unfairly in this country today? The pollesters asked the other 477 respondents the question, generally speaking do you believe the death penalty is applied unfairly or fairly in this country today? This seems like the same question but sometimes the order of the choices matter. Of those asked the first question, 52% said they thought the death penalty was fairly applied. Of those asked the second question 63% said the same thing.
If one combines the 2 groups considering the overall group to be 1 random sample of 954 respondents what is a 95% confidence interval for the proportion of the general public that thinks the death penalty is being fairly applied?
(_______,__________)
A recent study 2500 children randomly selected found 19% of them defiecient in vitamin D.
A) Construct the 98% confidence interval for the true proportion of children who are deficient in vitamin D (_______,__________)
Wild life biologist inspect 135 deer taken by hunters and find 22 of them carrying ticks that test positive for Lyme disease.
A) Create a 90% confidence interval for the percentage of deer that may cary such ticks! (_______%, _______%)
B) If the scientist want to cut the margin of error in half how many deer must they inspect?
|
What are the independent and dependent variables
: They have recorded the steady increase of the sales of these walking slippers every month. They want to figure out the upward trend in sales so they create a trend line and use linear analysis to use the slope of the line to predict sales in futur..
|
|
Shrinkage in the most recent year
: The Home Depot experienced no shrinkage in the most recent year. Using both companies' balance sheet and income statement
|
|
Showing possible terms of trade for country
: Given the following table showing possible terms of trade for country I and country I's corresponding demand for imports of good Y at each terms of trade:
|
|
Impact of transactions involving contingent
: From the following list, identify whether the change in the account balance during the year would be reported as an operating (O), an investing (I), or a financing (F) activity or not sepa- rately reported on the statement of cash flows (N). Assum..
|
|
Create a 90% confidence interval for the percentage of deer
: If the scientist want to cut the margin of error in half how many deer must they inspect?
|
|
Briefly discuss a possible effect modification
: Although cervical cancer is not a major cause of death among American women, it has been suggested that virtually all such deaths are preventable. In an e¤ort to find out who is being screened for the disease, data from the 1973 National Health Int..
|
|
Consider an investment spending function
: d) Now consider an investment spending function which exhibits an endogenous response to the state of the economy. In particular say that investment spending is given by the following equation,
|
|
The probabilty that harry scored exactly 15 goals
: For events A and B, Pr(A intersection B) = p, Pr(A' intersection B) = P - 1/8 and Pr(A intersection B') = 3p/5. If A and B are independent, then the value of p is ___.
|
|
Problem-you won the lottery
: Problem: You Won the Lottery You have won a lottery! You will receive $200,000, after taxes, each year for the next five years.
|