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Use the probability distribution given in the table below and consider two new random variables, W =5+9 X and V =3+8 Y , to answer

Use the probability distribution given in the table below and consider two new random variables, W =5+9X and V =3+8Y, to answer the following questions

Joint Distribution of Weather Conditions and Commuting Times

Rain

(X

= 0)

No Rain

(X

= 1)

Total

Long commute

(Y

= 0)

0.09

0.29

0.38

Short commute

(Y

= 1)

0.55

0.07

0.62

Total

0.64 0.36 1

1) Compute the mean of W. E(W)=? (Round to two decimals)

2) Compute the mean of V. E(V)=? (Round to two decimals)

3) Compute the variance of W. variance(W)=? (Round to FOUR decimals)

4) Compute the variance of V. variance(V)=? (Round to FOUR decimals)

5)Compute the covariance of W and V. (Round to FOUR decimals)

6)Compute the correlation of W and V (Round to FOUR decimals)

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