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Forty percent of the homes constructed in the Quail Creek area include a security system. Three homes were selected at random. What is the probability all three homes selected have a security system? What is the probability none of them have a security system? What is the probability at least one of them has a security system? Do you assume the events to be dependent or independent?
Critique the HR manager's planned approach and give him advice on how to proceed. You can assume that a reasonable estimate for the proportion of new hires that are happy wi
Find the sum of squares due to each of these two contrasts.- What null hypothesis is indicated by contrast 2? Test the hypothesis at a level of significance of 0.05 and expla
Compute the average time between calls and compare this value with the expected value of the time between calls from the probability distribution. Why are the result differe
Write the four parts for a one-sided, right-tailed hypothesis test concerning the population mean with a = 0.01.- What assumptions are made in order for the test in part (a) t
While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothe
Cletus Inc. plans to overhaul the cafeteria menu and has formed a four person team to evaluate alternatives. Calculate the importance score sum for option A?
Assume that 6 customers enter store and that these customers make independent purchase decisions. Use binomial formula to compute probability that exactly five customers make
1. What is the probability that you get an even number at the first toss? (Show work and write the answer in simplest fraction form) 2. What is the probability that the sum o
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