II The following table lists the smoking habits of a random sample of U Of S studtill, Gender Male Female Total 135 S Non-smoker 135 187 322 179 Regular Smoker 39 21 60 Smoking Heavy Smoker 5 9 14 Total 179 217 396 11. Estimate the proportion of male U of S students that are nonsmokers. 12. Estimate the proportion of female U of S students that are nonsmokers. 13. Estimate the proportion of smokers that are heavy smokers. Choices 11to 13 a) 0.152 b) 0.189 c) 0.357 d) 0.419 e) 0.452 f) 0.548 g) 0.581 h) 0.643 i) 0.754 j) 0.862