4道数学概率题,Each of the numbers from 1 through 10 is written on a slip of paper and the slips are placed in a covered bowl.The bowl is shaken and one slip of paper is drawn at random.Specify:1.the probability of getting an even number and the
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4道数学概率题,Each of the numbers from 1 through 10 is written on a slip of paper and the slips are placed in a covered bowl.The bowl is shaken and one slip of paper is drawn at random.Specify:1.the probability of getting an even number and the
4道数学概率题,
Each of the numbers from 1 through 10 is written on a slip of paper and the slips are placed in a covered bowl.The bowl is shaken and one slip of paper is drawn at random.Specify:
1.the probability of getting an even number and the odds in favor of getting an even number.
2.the probability of getting a number less than 5 and the odds in favor of getting a number less than 5.
Each of the 10 letters A through J is written on a slip of paper and the slips are placed in a bag.The bag is shaken and one slip is drawn at random.Specify:
3.the probability of drawing a vowel and the odds in favor of drawing a vowel.
4.the probability is not drawing a vowel and the odds in favor of not drawing a vowel.
4道数学概率题,Each of the numbers from 1 through 10 is written on a slip of paper and the slips are placed in a covered bowl.The bowl is shaken and one slip of paper is drawn at random.Specify:1.the probability of getting an even number and the
现有编号为从1到10的十张卡片置于暗箱中.摇晃箱子并从中得到任意的一张卡片,详细说明
1.得到一个偶数的概率,并且说明得到偶数的比率是多少
2.得到一个比5小的数,并且说明得到比5小的数的比率是多少
1.P=C5^1/C10^1=1/2=50%
比率1:2
2.P=C4^1/C10^1=2/5=40%
比率2:5
现有标号为从A到J的10张卡片置于包内,摇晃包并从中得到一张任意的一张卡片,详细说明
3.得到一个元音字母的卡片的盖率并且说明得到元音字母的比率是多少
4.得到一个非元音字母的卡片的概率并且说明的非原因字母的比率是多少
3.p=C3^1/C10^1=3/10=30%
比率3:10
4.p=1-3/10=70%
比率7:10