Edexcel S2 2015 June — Question 7

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Year2015
SessionJune
TopicDiscrete Random Variables
TypeSampling distribution of median
  1. A bag contains a large number of \(10 \mathrm { p } , 20 \mathrm { p }\) and 50 p coins in the ratio \(1 : 2 : 2\)
A random sample of 3 coins is taken from the bag.
Find the sampling distribution of the median of these samples.
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Q1 Q3 Q4 Q5 Q6 Q7