# Question: Compute the mean and variance of the following discrete probability

Compute the mean and variance of the following discrete probability distribution.

x P(x)

2 ...... .5

8 ...... .3

10 ...... .2

x P(x)

2 ...... .5

8 ...... .3

10 ...... .2

## Answer to relevant Questions

Compute the mean and variance of the following probability distribution.x P(x)5 ....... .110 ....... .315 ....... .220 ....... .4The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged..:.a. Convert the information on the ...Industry standards suggest that 10% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South Carolina, sold 12 Nissans yesterday.a. What is the probability that none of these vehicles ...The speed with which utility companies can resolve problems is very important. GTC, the Georgetown Telephone Company, reports it can resolve customer problems the same day they are reported in 70% of the cases. Suppose the ...For each of the following indicate whether the random variable is discrete or continuous.a. The length of time to get a haircut.b. The number of cars a jogger passes each morning while running.c. The number of hits for a ...Post your question