If 2% of pipes manufactured by a company are defective, the probability that in a sample of 1000 pipes exactly 6 pipes are defective is A) `(e^(-2)2^(6))/(6!)` B) `(e^(-20)20^(6))/(6!)` C) `e^(-20)` D) `e^(-2)`

In a box containing 60 bulbs 6 are defective . What is the probability that out of a sample of 5 bulbs (i) none is defective (ii) exactly 2 are defective ?

" (6) "int(e^(2x))/(e^(2x)+1)dx

In the items produced by a factory there are 10% defective items A sample of 6 items is randomly chosen . Find the probability that this sample contains (i) exactly 2 defective items (ii) not more than 2 defective items (iii) at least 3 defective items .

6 pipes are required to fill a tank in 1 hour 20 minutes.How long will it take if only 5 pipes of the same type are used?

int(2e^(t))/(e^(3t)-6e^(2t)+11e^(t)-6)dt

6 persons A,B,C,D,E,F are arranged in row. Find the conditional probability that C&D are separated given that A o* B are together.6

Two pipes can fill a cistern in 6 minutes and 7 minutes respectively. Both the pipes are opened alternatively for 1 minute each. In what time will they fill the cistern. A)6 minutes B) 6 (2)/(3) minutes C) 6 (3)/(7) minutes D) 3 (1)/(2) minutes

int_(e)^(e^(2))(log xdx)/((1+log x)^(2))=(e)/(6)(2e-3)

If the numbers a, b, c, d, e are in arithmetic progression then find the value of a - 4b + 6c - 4d + e.

int6x e^(x^(2))dx=