Mathematics, 21.11.2019 19:31 grosst217
Arestaurant serves three fixed-price dinners costing $20, $25, and $30. for a randomly selected couple dining at this restaurant, let x = cost of the means dinner and y = cost of the woman’s dinn the joint pmf of x and y is shown below:
a restaurant serves three fixed-price dinners cost
a.) compute the marginal pmf's of x and y.
b.) what is the probability that the man's and the woman's dinner cost at most $25 each?
c.) are x and y independent? justify your answer
d.) what is the expected total cost of the dinner for two people?
e.) suppose that when a couple opens fortune cookies at the conclusion of the meal, they find the message "you will recieve as a refund the difference between the cost of the more expensive and the less expensive meal that you have chosen." how much does the restaurant expect to refund?
Answers: 2
Mathematics, 20.06.2019 18:04
Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x
Answers: 1
Mathematics, 21.06.2019 17:00
Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?
Answers: 1
Arestaurant serves three fixed-price dinners costing $20, $25, and $30. for a randomly selected coup...
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