# SOLUTION: Using the digits in {0,1,2,3,4,6} 3 digit numbers are formed and put in a box. A number is selected ramdomly. Find the probability that it is even if a. Repetition is allowed b. R

Algebra ->  -> SOLUTION: Using the digits in {0,1,2,3,4,6} 3 digit numbers are formed and put in a box. A number is selected ramdomly. Find the probability that it is even if a. Repetition is allowed b. R      Log On

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 Question 704383: Using the digits in {0,1,2,3,4,6} 3 digit numbers are formed and put in a box. A number is selected ramdomly. Find the probability that it is even if a. Repetition is allowed b. Repetition is not allowed Answer by stanbon(60771)   (Show Source): You can put this solution on YOUR website!Using the digits in {0,1,2,3,4,6} 3 digit numbers are formed and put in a box. A number is selected ramdomly. Find the probability that it is even if a. Repetition is allowed The number will be even if the units digit is even # of ways to succeed: 6*7*3 = 126 # of possible outcomes: 6*7*7 = 294 --- P(3-digit even with repetition) = 126/294 = 0.4286 ---------- b. Repetition is not allowed # of ways to succeed: 6*7*4 = 168 E of possible outcomes: 6*6*4 = 180 P(3-digit even without repetition) = 0.93 ========================================= Cheers, Stan H. ==================