- 10 Marks
QTB – May 2017 – L1 – SB – Q2a – Statistics
Probability calculations for dice roll and random sampling in block production.
Question
i. A six-sided and fair die is thrown into the air. What is the probability:
- Of NOT getting a SIX?
- That either a THREE, a FOUR, or a FIVE will fall uppermost?
- Of obtaining an even number?
(5 Marks)
ii. A block-making factory produces TWO types of blocks: 6-inch and 9-inch. ONE quarter of its output on a particular day are 6-inch blocks, while the remaining three-quarters are 9-inch blocks. If samples of 3 are taken at random, what is the probability of obtaining:
- One 6-inch block?
- Two 6-inch blocks?
- One or two 6-inch blocks?
(5 Marks)
Find Related Questions by Tags, levels, etc.
- Tags: Block Manufacturing, Dice, Probability, Sampling
- Level: Level 1
- Topic: Statistics
- Series: MAY 2017
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