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Forty percent of the homes constructed in the Quail Creek area include a security system. But assume there are 10 homes in the Quail Creek area and four of them have a security system.
a. What is the probability all three of the selected homes have a security system?
b. What is the probability none of the three selected homes have a security system?
c. What is the probability at least one of the selected homes has a security system?
d. Did you assume the events to be dependent or independent?
For the data shown below, prepare a x-bar chart. Note that the sample size is three. Record the values for the UCL, center line, and LCL. In addition, note any points that are out of control.
Determine the variance of firm's profit for the month.
FBI Report Do greater universities tend to have more property crime, would you speek that the correlation is low, moderate or high
We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as yes or no.
What is the probability that a person who has submitted one entry will win the following?
The height and diameter of 31 trees of a certain species were measured, the trees were cut down, and the volume of usable lumber was determined. Find the explanatory variable(s) in this study are
Suppose the sample variance for 30 parts turns out to be s 2 = .0005. Use α = .05 to test whether the population variance specification is being violated.
What is the probability that more than one machine is in the system? Probability that more than two are broken and waiting to be repaired or being serviced? More than three? More than four?
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
Based on the model N(1152,84) describing Angus steer weights, what are the cutoff values for.
A sample of 23 European countries found that variance of life expectancy was 7.3 years. Determine the 95% confidence interval estimate for variance of life expectancy in Europe?
From past data, it is recognized that company's production process results in normally distributed yield strengths. Test company's claim at a = 0.05.
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