Aschool band sold 30 raffle tickets. each ticket is labeled with a number from 1 to 30. one winning ticket will be drawn. what is the probability that the number of the winning ticket will be a multiple of 4 or the number 19? enter your answer as a fraction, in simplified form, in the box.

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

W-16=-12 solve each one step equation plz

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.