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The mean and the variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is?
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194 base 10 = ____ base 5
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A trip takes 6 hours to complete. After traveling 1/4 of an hour, 1 3/8hours, and 2 1/3 hours, how much time does need to complete the trip? There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that atleast two blue socks have been chosen?
Asian paints takes a contracts to paint 3 houses. Mr. White can paint a house in 6 days while Mr.Blue would take 8 days and Mr.Red 12 days. After 8 days Mr.White goes on a holiday and Mr. Blue begins to work for a period of 6 days. How many days will it take Mr.Red to complete the work?
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A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability.
The time showed by the clock at a moment is 8 am then the respective time of after and before 42896 hours is :