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A machine has three components working independently. The probability that Component A fails is 0.1, the probability that component B fails is 0.2, and the probability that component C fails is 0.3.
(A) What is the probability that none of the components will fail ???
(B) What is the probability that at least one component will fail ???
(C) What is the probability that only one component will fail ? That is, what is the probability that one component will fail, but the other two will not fail ?? PLS show all work.
a) Set up the null and alternative hypotheses, and perform the hypothesis test. b) Based on these results, does the diet appear to be effective? Does the diet appear to have practical significance?
Finding the probability selecting a defective item from a collection of items using tree diagram
A 95% confidence interval for the average difference between the two reaction times (traditional - LED) was (-171.37, 174.44). Which of the following is the appropriate conclusion?
Caselet on McDonald’s vs. Burger King - Waiting time
There are 4 samples of 40 individuals each interviewed to find out how often they visit a fast food restaurant in the week.
If many samples of size 1000 persons are chosen, determine the expected value (mean X-bar) or average of average IQ's for these samples?
Prepare a frequency distribution from data given below that describes how long it took a person to drive to work in work week.
Researchers wanted to determine if there is a difference in the mean credit card debt owed by males versus females. Using α = 0.10, is there a difference. (Show all six steps of hypothesis testing.)
Small bag of Skittles candies has following assortment: red (12), blue (5), orange (15), brown (0), green (16), and yellow (7). Create the probability distribution for x.
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
Use differential calculus to find both sales volume at which revenue is maximised and the maximum revenue available from sales of product X.
Develop a decision tree for the case of a company operating at full capacity and with product demand rising. The choice is between new equipment and overtime.
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