A shop owner did a survey to determine the ages of shoppers who made purchases in the shop. The results for one afternoon are shown. How many shoppers were between the ages of 20 and 30, including 20 and 30? What were their ages? 13, 19, 20, 30, 30, 31, 38, 48, 50, 52, 55, 56, 65, 67, 69, 69, 70, 75

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y

1.multiply and simplify if possible. √7x (√x − 7√7) 2. what is the simplest form of the radical expression? 33√2a−63√2a

Customers are used to evaluate preliminary product designs. in the past, 93% of highly successful products received good reviews, 51% of moderately successful products received good reviews, and 14% of poor products received good reviews. in addition, 40% of products have been highly successful, 35% have been moderately successful and 25% have been poor products. round your answers to four decimal places (e.g. 98.) what is the probability that a product attains a good review? (b) if a new design attains a good review, what is the probability that it will be a highly successful product? (c) if a product does not attain a good review, what is the probability that it will be a highly successful product?