Identify each to be a discrete random variable, continuous random variable, or not a random variable. 1. People are asked to state how many times in the last month they visited their family doctor. 2. The time it takes a computer to complete a task. 3. The hair color of people is recorded.

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Determine whether the random variable x is discrete or continuous. Explain. Let x represent the distance a baseball travels in the air after being hit. Choose the correct answer below. O A. The random variable is discrete, because it has an uncountable number of possible outcomes. O B. The random variable is continuous, because it has an uncountable number of possible outcomes. O C. The random variable ks discrete, because it has a countable number of possible outcomes. D. The random variable is continuous, because it has a countable number of possible outcomes.

Bobo, the amoeba, currently lives alone in a pond After one minute Bobo will either die, split into two amoebas, or stay the same, with equal probability. Find the variance for the number of amoebas in the bond after one minute