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1) In a Poisson probability distribution __________________? a. The mean and variance of the distribution are same (equal) b. The probability of success is always greater than 5 c. The number of trials is always less than 5 d. it always contains a contingency table
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2) Which of the following is not a correct statement about a Probability _________________? a. It must have a value between 0 and 1 b. It can be reported as a decimal or a fraction c. A value near 0 means that the event is not likely to occur/happens d. It is the collection of several experiment
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3) The special rule of multiplication of probability, the events must be ______________? a. Independent b. Mutually exclusive c. Bayesian d. Empirical
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4) if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ? a. 4/36 b. 13/36 c. 21/36 d. 15/36
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5) If the occurrence of one event means that another cannot happen, then the events are _______________? a. Independent b. Mutually Exclusive c. Bayesian d. Empirical
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6) 5C5 is equal to ________________? a. 5 b. 5×5 c. 1 d. None of these
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7) The product of first ‘n’ natural numbers is _____________? a. 1.2.3.4,……… b. 1.2.3……(n-2) (n-1) (n) c. n. (n-1) (n-2)…………..3.2.1.0 d. None of these
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8) If in a coin P(H) = 2P(T) then prob. of head is ______________? a. 1/3 b. 2/3 c. 1/2 d. 0
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9) If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is ________________? a. 4/5 b. 1/20 c. 0 d. 1/9
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10) The probability of getting at least one head when two balance coins are tossed once __________________? a. 1/4 b. 2/4 c. 3/4 d. 4/4
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