Spam: Larry claims that more than a quarter of all his email is spam. In a...

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Spam: Larry claims that more than a quarter of all his email is spam. In a random sample of 40 of his emails, 15 of them are

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15 ca) ſ - 0.375 40 (b) 1 4 4 = 1.825 741858 Ho: 6 = 1 HA: þ>t VnC6-6) Test statistic, 2= Socirp) S40 (0.375 a) J (1-5) . n.

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