A marble is selected from a bag contalning eight marbles numbered 1 to 8. The number on the marble selected will be recorded as the outcome. Consider the following events. Event A: The marble selected has a number less than Event B: The marble selected has an odd number. Give the outcomes for each of the following events. If there is more than one element in the set, separate them with commas. (a) Event "A and B"

(b) Event "A or B":

(c) The complement of the event A:​

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.