Question Question 12) Given that,

For men : n1 = 159 and x1 = 40

For women : n2 = 129 and x2 = 17

Using TI-83 plus calculator we get, the 90% confidence interval for the true difference in proportions of male and female smokers is,

0.045 < p1 - p2 < 0.195 #### Earn Coins

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