Mathematics (AS & A Level) · May / June 2021 · Paper 62 · Question 5
9709
As printed in the paper
The question as text
The time, in minutes, spent by customers at a particular gym has the distribution N-, 38.2 . In the past the value of - has been 42.4. Following the installation of some new equipment the management wishes to test whether the value of - has changed.
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5(a)[1]
5(b)[5]
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