SOLUTION: Chapter 4-2 Problems (22, 38,) 22. In the game of craps using two dice, a person wins on the first roll if a 7 or an 11 is rolled. Find the probability of winning of the first

Question 158303This question is from textbook Elementary Statistics
: Chapter 4-2 Problems (22, 38,)
22. In the game of craps using two dice, a person wins on the first roll if a 7 or an 11 is rolled. Find the probability of winning of the first roll.
38. A person flipped a coin 100 times and abtained 73 heads. can the person conclude that the coin was unbalance?
This question is from textbook Elementary Statistics

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
for 11 2/36 (56,65)
for 7 6/36 (16,61,25,52,34,43)
6/36 + 2/36 = 8/36 Ans
.
No, a balanced coin could come up with that number of heads. You can, however, calculate the probability that it is unbalanced.
.
Ed
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