Math
posted by Elizabeth .
" kelly has twelve cards numbered 1 to 12. what is the probability of picking three evennumbered cards consecutively, if the first two cards are not replaced?

Math 
Steve
6/12 * 5/11 * 4/10

Math 
HELEN
I DID 7*7*6=294. 294/1728=49/288.
IM PROBABLY WRONG, THOUGH
SO LISTEN TO STEVE. 
Math 
ANGELINA
Doesn't it have to be 7/12*6/11*5/10??

angelina's answer 
ann
no, it's 1,3,5,7,9,11
and
2,4,6,8,10,12 
Math 
ANGELINA
SORRY!

Math 
ANGELINA
But how about the replaced portion?
I don't get this 
Math 
HELEN
YA I DON'T GET IT EITHER. SO IT IS 6/12*5/11* NOT BY 4/10 BECAUSE IT IS BEING REPLACED, RIGHT???
SO CONFUSED AUSSI...
Respond to this Question
Similar Questions

maths probability...
I can't answer this exam question! Please help me: Jodie and Karen play a game with a pack of 40 numbered cards. There are four cards with each number from 0 to 9. Jodie picks a card and keeps it. Karen then picks a card. What is the … 
statistics
The red face cards and the black cards numbered 29 are put into a bag. Four cards are drawn at random without replacement. Find the following probabilities: a) All 4 cards are red b) 2 cards are red and two cards are black c) At least … 
probability
Consider a deck of 52 cards with the following characteristics: 13 red cards, numbered 1 through 13 13 blue cards, numbered 1 through 13 13 green cards, numbered 1 through 13 13 black cards, numbered 1 through 13 1. Describe the steps … 
Probability
Consider a deck of 52 cards with the following characteristics: 13 red cards, numbered 1 through 13 13 blue cards, numbered 1 through 13 13 green cards, numbered 1 through 13 13 black cards, numbered 1 through 13 1. Describe the steps … 
Maths
Five red cards numbered 1,2,3,4,5 and two black cards both numbered 5 are randomly ordered facedown into a pile. The cards are flipped over one at a time until either the sum of the numbers on the red cards is at least 10, or the … 
Math
Five red cards numbered 1,2,3,4,5 and two black cards both numbered 5 are randomly ordered facedown into a pile. The cards are flipped over one at a time until either the sum of the numbers on the red cards is at least 10, or the … 
Math
There is a deck of 12 cards numbered 1 through 12. One card is drawn at random from the deck, look at it and then put it back in the deck. A total of two cards are drawn in this way. Define the following events: • A : get an even … 
probability
Tad draws three cards at random, without replacement, from a deck of ten cards numbered 1 through 10. What is the probability that no two of the cards drawn have numbers that differ by 1? 
Math
A card is taken at random from ordinary pack of cards.It is then replaced. Another card is now taken at random from the pack of cards. Work out the probability of the following. a.both cards are the picture cards(jacks,queens or kings) … 
Math
A game has 30 cards numbered 1 through 30. e cards are shu ed. one card is picked at random. Find each probability. Which cards would give a probability of 1/10 they were picked.