HW 04 - Exercises Due 09/07

From Chapter 3

3.5a

3.9 + find F(x)

3.13 + plot the cumulative function

3.14a + find the probability of waiting less than 12 but more than 8 minutes.

3.17

3.22

3.37a

3.40a,b + are X and Y independent?

3.49

3.54

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Not turned in: 3.36

3.36

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From Chapter 4

4.1

4.7

4.10

4.14 (remember, expected value = the mean)

4.17

4.23b + find the mean of g(X, Y) = X + Y

4.35 + find the standard deviation

4.38

4.41

4.45 + find the correlation