1. A spinner has 10 equal parts numbered 1 to 10. predict the number of times a multiple of three will occur in 200 spins.
2. Since the last order, and office supply store has sold 30 cases of black pens, 25 cases of blue pens, and 5 cases of red pens. The next order wil be for 180 cases of pens. how many cases of red pens would u expect to be sold in the next order.
For both of your questions you use fractions to solve for the answer.
1. For a three to show up. that is a 1 in 10 chances so in 200 spins times 1/10 you get 20. 2 is likely to be spun 20 times.
2. In this problem if 5/60 are red pens sells you multiply by 180 the # of cases expected to be sold and you get 15 cases of red pens sold.
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