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In 1965, about 44% of the Australian adult population had never smoked cigarette...
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In 1965, about 44% of the Australian adult population had never smoked cigarettes. A national health survey of 1205 Australian adults (presumably selected randomly) during 2006 revealed that 615 had never smoked cigarettes.
The P-value of a two sided test of significance against a null value of 0.44 is
0%
0%
100%
0%