SOLUTION: This probability distribution shown below relates to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person
Algebra.Com
Question 559472: This probability distribution shown below relates to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person goes to a local coffee shop per day?
x p(x)
0, 0.65
1, 0.15
2, 0.2
please solve and show me how you solved it.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x p(x)
0, 0.65
1, 0.15
2, 0.2
---
E(x) = 0*0.65 + 1*0.15 + 2*0.2
---
= 0 + 0.15 = 0.4
---
= 0.55
============
Cheers,
Stan H.
============
RELATED QUESTIONS
This probability distribution shown below relates to the number of times a person goes to (answered by cnc.ryan)
A local coffee shop sells 40 coffees and 20 pastries for a total of $130. The next day... (answered by addingup)
A small coffee shop sells coffee and tea. Each cup of coffee or tea costs 300 Biza. The... (answered by Alan3354,josgarithmetic)
My question:Among coffee drinkers, men drank a mean of 3.2 cups per day with a standard... (answered by ewatrrr)
The amount of coffee that people drink per day is normally distributed with a mean of 17... (answered by Boreal)
wayne blends coffee for a local shop. he needs to prepare 200 pounds of blended coffee... (answered by richwmiller)
A pizza shop owner determines the number of pizzas that are delivered each day. Find the... (answered by stanbon)
Michael's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A... (answered by josgarithmetic)
The number of births at the local hospital has a Poisson distribution with an average of... (answered by Theo)