SOLUTION: A box contains 4 plain pencils and 4 pens. A second box contains 7 color pencils and 5 crayons. One item from each box is chosen at random. What is the probability that a plan penc

Question 1142269: A box contains 4 plain pencils and 4 pens. A second box contains 7 color pencils and 5 crayons. One item from each box is chosen at random. What is the probability that a plan pencil from the first box and a color pencil from the second box are selected?
Answer by ikleyn(52932) (Show Source): You can put this solution on YOUR website!
.

The probability that a plain pencil from the first box is selected is   =  = .


The probability that a color pencil from the second box is selected is   = .


These two events are independent (OBVIOUSLY);  therefore, the final probability under the question

is the product of these partial probabilities



    P(that a plan pencil from the first box and a color pencil from the second box are selected) =  = .    ANSWER

Solved.

RELATED QUESTIONS
A box contains 7 plain pencils and 5 pens. A second box contains 2 color pencils and 2... (answered by greenestamps)

A box contains 1 plain pencil and 9 pens. A second box contains 3 colored pencils and 3... (answered by ikleyn)

A teacher has a box of pens and pencils. There are 8 more pencils than pens. After... (answered by stanbon)

A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of (answered by josmiceli)

how to find the probability of the question a box contains 6red pencils and 4 blue... (answered by jim_thompson5910)

there is a box of pens and pencils 64 percent are pens. what is the ratio of pens to... (answered by ikleyn)

A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of (answered by greenestamps)

A desk holder contains 8 pens and 5 pencils. In how many ways can 4 pens or 4 pencils be... (answered by TimothyLamb)

a box contains 6 red,4 white and 5 black balls .A person draws 4 balls from the box at... (answered by stanbon)