A box contains 10 good articles and 6 defective articles. One item is drawn at random. the probability that it is either good or has a defect, is a. 64/64 b. 49/64 c. 40/64 d. 24/64

A lot of 25 bulbs contain 5 defective ones. One bulb is drawn at random from the lot. What is the probability that the bulb is good.

A fair coin is tossed 10 times. Then the probability that two heads do not occur consecutively is a. 7//64 b. 1//8 c. 9//16 d. 9//64

A fair coin is tossed 10 times. Then the probability that two heads do not occur consecutively is 7//64 b. 1//8 c. 9//16 d. 9//64

There are 100 bolts and 50 nuts in a box, out of which 50% bolts and 50% nuts are defective. Two items are drawn at random from the box, find the probability that both are either bolts or defective.

Five different games are to be distributed among 4 children randomly. The probability that each child get at least one game is a. 1//4 b. 15//64 c. 5//9 d. 7//12

Five different games are to be distributed among 4 children randomly. The probability that each child get at least one game is a. 1//4 b. 15//64 c. 5//9 d. 7//12

A lot contains 20 articles. The probability that the lot contains exactly 2 defective articles is 0.4 and the probability thatthe lot contains exactly 3 defective articles is 0.6. Articles are drawn in random one by one without replacement andtested till all the defective articles are found. What is the probability that the testing procedure ends at the twelfth testing ?

A box contains 10 bulbs, of which just three are defective. If a random sample of five bulbs is drawn , find the probabilities that the sample contains: Exactly one defective bulb. Exactly two defective bulbs. No defective bulbs.

An unbiased coin is tossed 6 times. The probability that third head appears on the sixth trial is 5//16 b. 5//32 c. 5//8 d. 5//64

An unbiased coin is tossed 6 times. The probability that third head appears on the sixth trial is 5//16 b. 5//32 c. 5//8 d. 5//64