# Question: With reference to Example 4 1 find the variance of the

With reference to Example 4.1, find the variance of the number of television sets with white cords.

Example 4.1

A lot of 12 television sets includes 2 with white cords. If 3 of the sets are chosen at random for shipment to a hotel, how many sets with white cords can the shipper expect to send to the hotel?

Example 4.1

A lot of 12 television sets includes 2 with white cords. If 3 of the sets are chosen at random for shipment to a hotel, how many sets with white cords can the shipper expect to send to the hotel?

**View Solution:**## Answer to relevant Questions

The amount of time it takes a person to be served at a given restaurant is a random variable with the probability density Find the mean and the variance of this random variable. With reference to Exercise 4.71, what can we assert about the amount of time it takes a person to be served at the given restaurant if we use Chebyshev’s theorem with k = 1.5? What is the corresponding probability rounded ...With reference to Exercise 3.107 on page 108, by how much can a salesperson who spends $12 on gasoline expect to be reimbursed? Use the result of part (b) of Exercise 5.14 to show that for the binomial distribution Where α3 is the measure of skewness defined in Exercise 4.26 on page 129. What can we conclude about the skewness of the binomial ...If the probability is f(x) that a product fails the xth time it is being used, that is, on the xth trial, then its failure rate at the xth trial is the probability that it will fail on the xth trial given that it has not ...Post your question