- Handouts
- Exercises
LINK: Probability and Statistics
Topics:
- Permutation
- Combination
- Probability
- Venn diagram
- Standard deviation and variance
- In a class of 50 students, 30 students like Calculus and 25 students like geometry. How many students like both calculus and geometry?
- a. 2
- b. 3
- c. 4
- d. 5
- The probability for the CE board examinees from a certain school to pass the Mathematics subject is 3/7 and that for Communication is 5/7. If none of the examinees failed both subjects and there are 5 examinees that pass both subjects, how many examinees from the school took the examination?
- a. 30
- b. 38
- c. 35
- d. 40
- In how many ways can you arrange 8 beads in a necklace?
- a. 2300
- b. 4020
- c. 5040
- d. 6030
- In how many ways you can arrange 2 boys and 3 girls around the circle if the boys will always be together?
- a. 10
- b. 12
- c. 14
- d. 16
- In how many ways can you invite one or more of your 6 friends to a show?
- a. 58
- b. 63
- c. 66
- d. 72
Three cards will be drawn from an ordinary deck of cards, what is the probability of obtaining:
- 2 kings and ace
- a. 24/22100
- b. 26/22100
- c. 20/22100
- d. 28/22100
- Jack, queen and a king
- a. 64/22100
- b. 75/22100
- c. 82/22100
- d. 60/22100
- Cards of order: Jack, queen, king
- a. 10/16575
- b. 12/16575
- c. 14/16575
- d. 8/16575
- Card of the same color
- a. 8/17
- b. 10/17
- c. 4/17
- d. 5/17
- Cards of the same suit
- a. 18/425
- b. 22/425
- c. 25/425
- d. 28/425
A fair coin is tossed 5 times. What is the probability of obtaining __?
- Exactly 3 heads
- a. 5/16
- b. 8/16
- c. 10/16
- d. 3/16
- At least 3 heads
- a. ¾
- b. ½
- c. 1/8
- d. ¼
- What is the probability of guessing 3 correct answers in a multiple choice test of 5 items if each question has four options?
- a. 40/512
- b. 55/512
- c. 45/512
- d. 60/512
A factory building has 9 entrance doors. In how many ways can a person enter and leave
- By any door
- a. 75
- b. 81
- c. 86
- d. 72
- By a different door
- a. 72
- b. 86
- c. 81
- d. 75
From a box containing 7 red balls, 9 white balls and 11 blue balls, one ball is drawn at random. Find the probability that it is __.
- Red
- a. 0.2593
- b. 0.3333
- c. 0.7407
- d. 0.5926
- Not red
- a. 0.5926
- b. 0.7407
- c. 0.3333
- d. 0.2593
- White
- a. 0.7407
- b. 0.3333
- c. 0.5926
- d. 0.2593
- Red or White
- a. 0.8215
- b. 0.2812
- c. 0.7407
- d. 0.5926
- A PSME unit has 11 ME’s, 9 PME’s and 6 CPM’s. If a committee of 3 members, one from each group is to be formed, how many such committees can be formed?
- a. 650
- b. 660
- c. 630
- d. 693
- A jar contains 5 black balls and 7 white balls. What is the probability of getting 1 black and 1 white ball in two consecutive draws from the jar?
- a. 0.53
- b. 0.48
- c. 0.60
- d. 0.68