A shopping mall estimates the probability distribution of the number of stores m

Question

A shopping mall estimates the probability distribution of the number of stores mall customers actually enter (x), as shown in the table below:

x

P (x)

0

.05

1

.13

2

.22

3

.28

4

.12

5

.04

6

.16                                                                            Calculate the probability that no more than 2 stores are entered by shoppers. Show your work.

x

P (x)

0

.05

1

.13

2

.22

3

.28

4

.12

5

.04

6

.16                                                                            Calculate the probability that no more than 2 stores are entered by shoppers. Show your work.

Explanation / Answer

P(X < 2) = P(X = 0) + P(X = 1) + P(X = 2)

              = 0.05 + 0.13 + 0.22

              = 0.4 (ans)

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