Statistics question number 31

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 21st, 2015

There is not sufficient evidence to support the publisher's claim. at 0.01 level

z = (0.86-0.78)/sqrt(.78*.22/100)=1.931 < 2.326

we do not reject thenull hypothesis


Apr 21st, 2015

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