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
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