Chapter:

probability

1. Let X be random variable, P(X=x) is Probability mass function is given by

X 0 1 2 3 4
P(X=x) 1/8 1/2 1/16 1/4 1/16

Find value of F(1)


2. What is probability of a coin landing on tail and dice showing 2 when a coin is tossed and dice is thrown?


3. Previous probabilities in Bayes Theorem that are changed with new available information are called ______


4. A bag contains 3 red, 2 white and 4 green balls. What is probability of drawing second ball to be yellow if first ball drawn is red? The balls are not replaced in bag.


5. If P(A) = 1/5, P(B) = 0, n what will be value of P(A|B)?


6. Bernoulli trials only deal with mutually exclusive outcomes.


7. The term Bernoulli trials is termed after which swiss mamatician?


8. A bag contains 4 red and 7 blue balls. What is probability of drawing a blue ball if first ball drawn is red? The balls drawn are replaced into bag.


9. A box contains a pair of socks in colours blue, red, yellow, green and pink. You reach into box and choose a pair of socks without looking. You replace this pair and n choose anor pair of socks. What is probability that you will choose yellow pair of socks both times?


10. A dice is thrown, what is probability of getting multiples of 3?