[問題]GWD 18-32

[ezong]

What is the probability that event E or event F or both will occur?

(1) The probability that event E will occur is 0.6.
(2) The probability that event F will occur is 0.4.

ANSWER:E

麻煩各位 大師幫我講解一下這個題目...
感溫~~~

[celivia]

What is the probability that event E or event F or both will occur?

(1) The probability that event E will occur is 0.6.
(2) The probability that event F will occur is 0.4.

ANSWER:E

麻煩各位 大師幫我講解一下這個題目...
感溫~~~

可以想像劃兩個圓圈的圖
(1)沒提到event F,不充分
(2)沒提到event E,不充分
(1)+(2) 沒提到交集部分,不充分
=>E
應該是這樣吧...