| 
 
 
| Question 595804:  Two cards are selected at random Of a deck of 20 cards ranging from 1 to 5 with monkeys, frogs, lions, and birds on them all numbered 1 through 5 . Determine the probability of the following
 •	a) with replacement.
 •	b) without replacement.
 The first shows a 2, and the second shows a 4
 
 Answer by stanbon(75887)
      (Show Source): 
You can put this solution on YOUR website! Two cards are selected at random Of a deck of 20 cards ranging from 1 to 5 with monkeys, frogs, lions, and birds on them all numbered 1 through 5 . Determine the probability of the following The first shows a 2, and the second shows a 4:
 • a) with replacement.
 P(2 and 4) = (4/20)(4/20) = 1/25
 -------
 • b) without replacement.
 P(2 and 4) = (4/20)(4/19) = 0.0421
 ====================
 Cheers,
 Stan H.
 ====================
 
 | 
  
 | 
 |