OMTEX CLASSES 1. In a certain tournament, the probability of A’s winning is 2/3. Find the probability of A’s winning atleast 4 games out of 5. 2. A marks man’s chance of hitting a target is 4/5. If he fires 5 shots, what is the probability of hitting the target a. Exactly twice b. Atleast once. 3. Find n and p for a binomial distribution, if c. Mean = 6; S.D. = 2. d. 𝑥 = 6, variance = 5
OMTEX CLASSES 1. If the chances that any of the 5 telephone lines are busy at any instant are 0.1, find the probability that all the lines are busy. Also find the probability that not more than three lines are busy. 2. An ordinary coin is tossed 4 times. Find the probability of getting a. No heads b. Exactly 1 head 3. Find Mean and Variance of Binomial Distribution. If a. n = 12; p = 1/3 b. n = 10; p = 2/5
OMTEX CLASSES 1. In a certain tournament, the probability of A’s winning is 2/3. Find the probability of A’s winning atleast 4 games out of 6. 2. A marks man’s chance of hitting a target is 4/5. If he fires 5 shots, what is the probability of hitting the target a. Exactly Thrice b. Atleast four. 3. Find n and p for a binomial distribution, if a. Mean = 6; S.D. = 2. b. 𝑥 = 6, variance = 5