The angle of elovation from the bottom of a hill to the top is 15. The top of the hill is 200 m above ground level. a)How far to the nearest 10m) Would you have to walk along the slope of the hill to reach the summit? b) Draw a diagram representing the situation and label it fully.

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.