[CST-2] CSM 1993p9q3 & 1994p7q3

[Hanna Wallach]

Hi,

I'm currently stuck on CSM questions 1993p9q3 part A, and 1994p7q3 parts b
and c. Has anyone done these questions, and if so could you explain to me
how to do them?

Thanks,

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Hanna                                                     \   /
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