28/03/2020Probability(Senior Class Maths Study by Topics) 0Comments by Gate Academy Welcome to your Probability(Senior Class Maths Study by Topics) NAME EMAIL PHONE NUMBER 1. A bag contains only Berries and Apples.The probability of picking a Berry at random is 0.3. Find the ratio of number of Berries to number of Apples that could be in the bag 4:9 5:7 4:7 3:72. A card is drawn from an ordinary pack of 52 playing cards. Find the probability that it is neither a seven nor a Diamond 1/52 9/13 4/13 3/523. Two dice, one red and the other blue are rolled together. Find the probability of getting two prime numbers 1/4 1/5 1/6 1/34. Cards are drawn from a pack of 52 playing cards one at a time. Calculate the probability of drawing without replacement 3 diamonds 1/52 11/850 15/769 1/345. The data below shows the distribution of workers in a certain secondary school. Teacher 30 Gardeners 15Typists 9 Cleaners 6Clerks 12 Messengers 3If one of the workers is on leave, the probability that he is either a teacher or a gardener is 2/5 1/5 3/25 3/56. A coin and a dice are thrown together. Find the probability of getting a tail and a two 1/12 1/2 1/6 1/47. A figure is selected randomly from a group of figures consisting of a square, a triangle, a rectangle, a trapezium and a rhombus. The probability that the figure selected is a parallelogram is 2/5 1/5 3/5 4/58. Two fair dice are thrown together. The probability that the two dice will show the same number of points is 1/6 1/36 1/2 1/39. The table below shows the result of tossing a fair dice 200 timesFind the relative freqeuncy of getting an odd number 1/100 3/20 93/200 99/10010. The table below shows the result of tossing a fair dice 200 timesFind the value of x 34 30 2 1211. A bag contains 6 red balls, 9 blue balls and 5 green balls.Two balls are chosen one after the other with replacement. What is the probability that one is blue, the other is green? 9/100 27/100 7/50 19/10012. A letter is chosen at random from the alphabet.Find the probability that it is T or H 1/13 4/13 1/2 10/1313. Two dice, one red and the other blue are rolled together. Find the probability of obtaining a total score greater than 10 1/2 3/4 4/7 1/1214. A container has 32 blue pens, 28 black pens and 20 red pens. If a pen is selected at random, what is the probability that it is a blue pen or a red pen? 1/4 13/20 1/20 3/415. A coin is tossed 3 times. What is the probability of getting 2 heads and a tail in any order? 1/8 1/2 3/8 1/416. The letters of the word MISSISSIPPI are cut and placed in a bag. If one letter is drawn randomly from the bag, the probability that it is neither an I nor a S is 3/11 8/11 6/11 1/217. The data below shows the distribution of workers in a certain secondary school. Teacher 30 Gardeners 15Typists 9 Cleaners 6Clerks 12 Messengers 3If one of the workers is absent from work on one particular day, the probability that he is a clerk is 3/25 1/25 2/25 4/2518. A letter is chosen at random from the alphabet.Find the probability that it is one of the letters of the word INFORMATION 1/13 10/13 1/2 4/1319. Two events M and N are mutually exclusive and P(M) = ¼ and P(N) = 2/3.P(M∩N) is 5/12 0 1/3 1/620. The probabilities that a husband and his wife will be alive in 10 years time is 0.7 and 0.8 respectively. What is the probability that at that time at least one will be alive? 0.3 0.7 0.94 0.0621. A box contains yellow, blue and white counters.The probability of picking a yellow counter is 3/8 and the probability of picking a blue counter is 35%. If there are 40 counters in the box, find the number that is blue 12 11 13 1422. A card is drawn from an ordinary pack of 52 playing cards. Find the probability that it is a Queen of Hearts 4/13 1/52 3/52 9/1323. Tireni throws a coin twice. The coin is biased so the probability of landing a head is 2/5. Find the probability that she throws two tails 1/5 3/25 1/4 9/2524. A bag containing 5 red balls and 3 green balls. Two balls are picked, one after the other, with replacement. The probability that both are the same colour is 15/64 25/64 17/32 9/6425. P is a probability function of an exhaustive set S = {w, x, y, z}. If P(x) = 1/4, P(y) = 1/3, P(z) = 1/6, then P(w) is 1/4 1/72 1/12 3/426 out of 25Time is Up!
