A baker is deciding how many batches of muffins to make to sell in his bakery. He wants to make enough to sell to every one and no fewer. through observation, the baker has established a probability distrubution.
x |
P(x) |
|
|
1 |
0.10 |
|
|
2 |
0.45 |
|
|
3 |
0.30 |
|
|
4 |
0.15 |
|
|
A- Define the random variable X
B- what is the probability the baker will sell more than one batch? P(x > 1)
C- On average, how many batches should the baker make? (find Mean)
D- Find the standard deviation
*Show all work / formulas