How to determine if an integral converges or diverges.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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.

Why is causation so much more difficult to prove than correlation?