Solution Found!
In a state lottery, four digits are drawn at random one at
Chapter 1, Problem 7E(choose chapter or problem)
PROBLEM 7E
In a state lottery, four digits are drawn at random one at a time with replacement from 0 to 9. Suppose that you win if any permutation of your selected integers is drawn. Give the probability of winning if you select
(a) 6, 7, 8, 9.
(b) 6, 7, 8, 8.
(c) 7, 7, 8, 8.
(d) 7, 8, 8, 8.
Questions & Answers
QUESTION:
PROBLEM 7E
In a state lottery, four digits are drawn at random one at a time with replacement from 0 to 9. Suppose that you win if any permutation of your selected integers is drawn. Give the probability of winning if you select
(a) 6, 7, 8, 9.
(b) 6, 7, 8, 8.
(c) 7, 7, 8, 8.
(d) 7, 8, 8, 8.
ANSWER:
Answer
Step 1 of 4
Total no. of possibilities=10*10*10*10=10000
a) 6,7,8,9
No. of possible ways of arranging the numbers=4!
Probability=4!/10000=0.0024