one box contains 5 products from machine A and 3 products from machine B. it is known form past experience that 1% and 2% of the products made by each machine, respectively, are defective. suppose that two products are randomly selected from the box. (a) What is the probability that one of them is defective? (b) If two products were chosen randomly and found to be defective, what is the probability that they were made by machine B?

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?