The probabilities of a return on an investment of $5,000, $7,000, and $9,000 are 1 / 2, 3/8, and1 / 8.
Answer to relevant QuestionsThe probabilities that a bakery has a demand for 2, 3, 5, or 7 birthday cakes on any given day are 0.35, 0.41, 0.15, and 0.09, respectively. The probabilities that a randomly selected home has garage space for 0, 1, 2, or 3 cars are 0.22, 0.33, 0.37, and 0.08, respectively. 1 A pizza shop owner determines the number of pizzas that are delivered each day. Find the mean, variance, and standard deviation for the distribution shown. If the manager stated that 45 pizzas were delivered on one day, do ...In a recent promotional campaign, a company offered these prizes and the corresponding probabilities. Find the expected value of winning. The tickets are free. If the winner has to mail in the winning ticket to claim the ...The percentage of couples where both parties are in the labor force is 52.1. Choose 5 couples at random. Find the probability that a. None of the couples have both persons working b. More than 3 of the couples have both ...
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