Write table that gives cumulative probability distribution

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Reference no: EM131416146

Given Exercise gave the following distribution for X = the number of meals eaten yesterday by individuals in a large population:

Meals, X

1

2

3

4

Probability

.10

.32

.56

.02

a. Calculate the expected value of X.

b. Write a sentence that interprets the expected value of X in this situation.

Exercise
For a large population, probabilities for X = the number of meals eaten yesterday are:

Meals, X

1

2

3

4

Probability

.10

.32

.56

.02

a. Write a table that gives the cumulative probability distribution for X.

b. What is the value of P(X ≤ 2), the probability that a randomly selected person ate two or fewer meals yesterday?

Reference no: EM131416146

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