Joey asked all of his friends how many times they visited the zoo this year. the dot plot shown here displays the responses that joey recorded.

how many of joey's friends did not visit the zoo this year?
a) 2
b) 3
c) 4
d) 5

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

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.