[計量] 兩題計量請教
1. In a certain experiment, the probability that event E will occur is 0.6,
which is greater than the probability that event F will occur.
A.the probability that neither E nor F will occur.
B.0.5
2. A box contains 30 marbles of which 6 are red, 7 are blue, 8 are yellow,
and the rest are green.
Marbles are selected randomly from the box one at a time without replacement.
The selection process stops as soon as 2 marbles of different color have been
selected. What is the greatest number of selections that might be needed in
order to stop the process.
A10
B9
C8
D7
E6
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