# Question

The price of Albertson stock increased on 40% of the trading days over the past year. The price of Boeing stock increased on 30% of the trading days. On 60% of the days that the price of Albertson stock increased, the price of Boeing stock increased as well.

a. Are the performances of the two stock prices statistically independent? Explain.

b. On a randomly selected trading day, what’s the probability that the price of both stocks increased?

a. Are the performances of the two stock prices statistically independent? Explain.

b. On a randomly selected trading day, what’s the probability that the price of both stocks increased?

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