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To find mean, standard deviation and expected value.

1) Work out the MEAN and STANDARD DEVIATION for the distribution below:

X

0

1

2

3

4

P(X)

0.24

0.41

0.26

0.08

0.01

2) In a particular game a person wins $1 if they roll a 2 or a 6 on a regular cube die. The win zero (0) if they roll an off number - they win $10 if they roll a 4. What is the expected value of the roll?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920735

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