[計量] 請教幾題計量
這是我做模考時遇到的幾個問題
想請教大家~
1.
If one number is chosen at random from the first 1,000 positive
integers, what is the probability that the number chosen is a
multiple of both 2 and 8 ?
ans:1/8
2.
Both soup S and soup T contain polyunsaturated fat, and each contains
more saturated fat than polyunsaturated fat. Soup T contains 2 more
grams of saturated fat and 2 more grams of polyunsaturated fat per
serving than soup S.
column A
The ratio of the amount of saturated fat to the amount of polyunsaturated
fat in soup S.
column B
The ratio of the amount of saturated fat to the amount of polyunsaturated
fat in soup T.
ANS:The quantity in column A is greater.
3.
From the even numbers between 1 to 9, two different event numbers are to
be chosen at random. What is the probability that their sum will be 8 ?
ans:1/6
非常感謝大家抽空幫忙~
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