题目
Team A has a 50% chance of winning any game that it plays. Team B has a 60% chance of winning any game that it plays.
Quantity A
The probability that Team A will win its next three games in a row
Quantity B
The probability that Team B will win its next four games in a row
选项
A.The quantity in Column A is greater.
B.The quantity in Column B is greater.
C.The two quantities are equal.
D.The relationship cannot be determined from the information given.
解析
P(A)=0.5
P(B)=0.6
列A:(0.5)(0.5)(0.5)(0.5)=1250/10000
列B:(0.6)(0.6)(0.6)(0.6)=1296/10000
对分母交叉相乘:
列A:1250
列B:1296
因此,选B