- 10 Marks
QTB – May 2016 – L1 – SB – Q5b – Statistics
This question involves calculating the probability of a bag of Pando Yam weighing less than a specified value using the normal distribution.
Question
The weights of bags of Pando Yam produced by Swallow Company Limited are normally distributed with a mean of 3,020 grams and a standard deviation of 4 grams.
Required:
i. If a bag is picked at random, what is the probability that it weighs:
- Less than 3,012 grams? (4 marks)
ii. Between 3,012 grams and 3,021.6 grams? (6 marks)
Show all the relevant normal distribution diagrams.
Find Related Questions by Tags, levels, etc.
- Tags: Normal distribution, Pando Yam, Probability, Z-scores
- Level: Level 1
- Topic: Statistics
- Series: MAY 2016
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