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The incarceration rate in one nation's prisons was 965 per 100,000 male residents, and 65 per 100,000 female residents.
a. Find the relative risk of being incarcerated, comparing males to females. Interpret.
b. Find the difference of proportions of being incarcerated. Interpret.
c. Which measure do you think is more appropriate for these data? Why?
Identify each of the random variables as continuous or discrete.
Inverse probability based on normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?
Find out the estimate of the population mean.The mean daily sales at the Stop and Go are $20,000 for a sample of 40 days. The standard deviation of the sample is $3,000.
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
If "fair" coin is tossed four times and comes up heads all four times, probability of heads on the fifth trial is?
This result prompts a test administrator to claim that standard deviation for eighth graders on examination is less than 29.At a = 0.10, is there sufficient evidence to support administrator's claim?
A study was recently done in which 500 people were asked to point out their choices for one of three products. Following table illustrates the breakdown of responses by gender of the respondents.
A survey is being planned to determine the mean amount of time corporation executives watch television. A pilot survey indicated that the mean time per week is 20 hours, with a standard deviation of 5.5 hours
A process has a capability index of 0.40. This index is interpreted to mean that the process is:
What is the probability that a person who has submitted one entry will win the following?
Write Cumulative distribution function.Find the cumulative distribution function F(x).
If the manufacturer's claim is true, what is the probability that the claim will be rejected?
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