Question
The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and graphically. The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and graphically.
three urn are given , each containing red and black ball as indicated below: Urn I: 6 red and 4 black balls. Urn II : 2 red and 6 black balls. Urn III:1 red and 8 black balls. An urn is choosen at random and a ball is drawn from that urn.the ball drawn is red.find the probability that the ball is drawn either from urn II or from urn III.
plz answer
Maths
March 12, 2020, 3:39 p.m.
Answer
A random variable X has the following probability function: Values of X, x: 0 1 2 3 4 5 6 7 p(x): 0 k 2k 2k 3k 2 k 2 2k 7k k 2 + (i) Find k, (ii) Evaluate P(X < 6), P (X ≥ 6), and P ( 0< X < 5),(iii) If , (P X ≤ a) > 1/2 Find the minimum value of a, and (iv) Determine the distribution function of X.