1)How many would you expect to have a drug problem? 2

Math Feb 24, 2021

1)How many would you expect to have a drug problem?

2. What is the standard deviation?

3. What is the likelihood that none of the workers sampled had a drug problem?

4. What is the likelihood at least one has a drug problem?

5. An investment will be worth $1000, 2000, or 5000, at the end of the year. The probabilities of these values are 25, 60, and 15 respectively. Determine the mean and variance of the wroth of the investment.

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