Mathematics, 02.12.2021 01:30 zuleymi
A couple goes to a restaurant for dinner. Below is a probability table in which X is the
amount (dollars) on the meal spent by the husband and Y is the amount spent by the
wife.
X = 15
X = 20
X = 25
Y = 15
0.20
0.15
0.05
Y = 20
0.15
0.15
0.10
Y = 25
0.05
0.10
0.05
a. (7 pts) What is the probability that this couple spends 45 dollars or more?
b. (7 pts) Suppose that the restaurant is currently running a promotion with a
10% discount if the total amount spent by a table is 45 dollars or more.
What is expected total amount the couple actually has to pay?
Answers: 3
Mathematics, 21.06.2019 13:00
Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.
Answers: 1
Mathematics, 21.06.2019 13:00
What are the domain and range of the function? f(x) = -4 (sqrt)x
Answers: 1
Mathematics, 21.06.2019 14:30
Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =
Answers: 1
Mathematics, 21.06.2019 15:30
Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles
Answers: 1
A couple goes to a restaurant for dinner. Below is a probability table in which X is the
amount (d...
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Arts, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10
Mathematics, 14.01.2021 05:10