The equation A(w) = 180* ^ e(0.01) represents the area in square centimeters of wall covered by mold as a function of w time in weeks since the area was measured explain or show that we can approximate the area covered by mold in 8 weeks by multiplying A(7) by 1.01.

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.