Mathematics 9709/61 — October/November 2011
Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Discrete Random Variables · The Normal Distribution · Representation of Data · Probability · Permutations and Combinations
Q15MDiscrete Random VariablesThe Normal DistributionFree sample
When a butternut squash seed is sown the probability that it will germinate is 0.86, independently of any other seeds. A market gardener sows 250 of these seeds. Use a suitable approximation to find the probability that more than 210 germinate.
The rest of this paper
6 more questions- Q2Representation of Data6M
- Q3Discrete Random Variables · Probability6M
- Q4Representation of Data6M
- Q5The Normal Distribution · Discrete Random Variables9M
- Q6Permutations and Combinations9M
- Q7Probability9M
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