Answer:
B. 0.18
Step-by-step explanation:
I find the question oddly worded. Apparently, 25% of 70% of your friends like Chocolate and also like Sprinkles. You need to find the product of these numbers to determine the proportion of friends who like Chocolate that also like Sprinkles. That product is ...
0.25·0.70 = 0.175 ≈ 0.18 . . . . matches choice B
Answer:
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Let's go:
8)
Total of senior students = 38
Total of senior students that preferred evening classes: 7
7/38 = aproximately 0,18 or 18%
Alternative A)
9)
Imagine being sold 100 desserts. Of these 100 desserts, 75% até chocolate, meaning 75 of these desserts are chocolate. Of these 75, 23% contains nuts. So:
75 × 0,23 = 17,25 = aproximately 17,3%
Alternative C)
I hope I helped you.
There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:
Or this really small number: 1.13474853e-8
