Question: Use the computing formula for (sigma^{2}) to rework part (b) of the preceding exercise. Data From Preceding Exercise Determining a joint cumulative distribution function Find

Use the computing formula for $\sigma^{2}$ to rework part (b) of the preceding exercise.

Data From Preceding Exercise

Determining a joint cumulative distribution function Find the joint cumulative distribution function of the two random variables of the preceding exercise, and use it to find the probability that both random variables will take on values less than 1.

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