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Questions (3)
X is a normally distributed variable with mean =30 and standard deviation =4.find
a) p(x <40 ) b) p(x> 20)
1 answer
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A dice and a coin are tossed simultaneously.find the probability of obtaining a 6 given that a head come up
1 answer
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A bag contains 3 red and 7 black balls.Two balls are drawn at random without replacement .if the second ball is red what is the
3 answers
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