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Suppose you have 10 light bulbs and that the lifetimes of the bulbs are independent and exponentially distributed with a mean lifetime of 100 hours. Let T be the time when the last light bulb burns out. What is the distribution of T?
specify the level of measurement used for each of the following itemsresponse time to flashing imagesrating of job
1. The following probability distribution represents the number of people living in a Household (X), and the probability of occurrence (P(X)). Compute the Expected Value (mean), the Variance and the Standard Deviation for this random variable.
Answer the following question using a chi square test of association. In your answer you must do the following:
What is the probability that neither of the two pedestrians was drunk?What is the probability that both were drunk?
a second-stage smog alert has been called in a large city with 48 industrial firms. an inspector will visit 10 of these
Bad eggs Sale of eggs that are contaminated with salmonella can cause food poisoning in consumers. A large egg producer takes an SRS of 200 eggs.
Assume a factory manager wishes to buy machines to perform a certain task in a production process. Certain key parts are produced by these machines.
Assume that there is a 0.15 probability that a basketball playoff series will last four games, a 0.30 probability that it will last five games. Is it unusual for a team to win a series in 5 games?
For the corresponding exponential distribution, and x = minutes until the next arrival, identify the mean of x and determine the P(x
Determine the number of pairs of wrong-size shoes that were delivered to customers. Calculate the probability of obtaining at least that many pairs of wrong-sized shoes delivered to customers if the proportion of incorrect sizes is actually 0.05.
2. If the profit for the Mini model is reduced to $125 and the profit for the Standard Model is increased to $240 simultaneously and the profit for the Large model stayed at $250, would the optimal solution change?
1. Or a person who eats hamburgers with ketchup, how might the traditional and the Taguchi approaches to quality loss apply with regard to the amount of ketchup that is put on the hamburger? 2. For each of the following, identify which kind of var..
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