# Math 221

posted by Carolyn

A distribution center receives shipment of a product from three different factories in the quantities of 60, 30 and 20. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three products came from the second factory and (b) none of the three products came from the second factory
(a) The probability that all products came from the second factory is
(b) The probability that none of the three products came from the second factory is

1. Steve

(a) looks to me like it will be

(30/110)(29/109)(28/108)

Do (b) similarly.

This is just like the problems involving drawing from a deck of cards.

2. Anonymous

.019

## Similar Questions

1. ### maths!

6) There are three research and development projects focusing on the development of three new products A, B and C. The markets into which the new products are to be launched are identical. However, consumer preference is at present, …
2. ### college

Four hundred people apply for three jobs. 130 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women?
3. ### math

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white. (Round your answer to three decimal places.)
4. ### math probability

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.
5. ### Math 221 Week3

A distribution center receives shipment of a product from three different factories in the quantities of 60, 35 and 25. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three …
6. ### math

Three cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of the given event. (Round your answer to four decimal places.) Three cards of the same suit are drawn
7. ### statistics

A shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that all 3 parts are defective?
8. ### statstics a level s1

Three cards are selected at random without replacement, from a shuffled pack of 52 playing card. Using a tree diagram find the probability distribution of the number of honours (A,K,Q,J,10) obtained
9. ### Statistics

In a shipment of 21 parts, four of the parts are defective. If three parts are selected at random without replacement, find the probability that : a.) All three parts selected are defective. 4/21*3/20*2/19=.003 b.) None of the tree …
10. ### Algebra 2 Probability

There are 10 cards. Each card has one number between 1 and 10, so that every number from 1 to 10 appears once. In which distributions does the variable X have a binomial distribution?

More Similar Questions