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Alex17521 [72]
3 years ago
8

Always true, sometimes true, never true.

Mathematics
1 answer:
Snezhnost [94]3 years ago
8 0

Answer: the answers for numbers 1,2 and 4 are all true :)

1: True

2: True

4: True

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X =0, y>=0 Maximum for P =3x +2y
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There are 10 cranberry and 15 strawberry juices. You randomly pick two juices. What's the probability you'll get two strawberry
lorasvet [3.4K]

Answer:

  • 7/20

Explanation:

The theoretical probability, P (A), of an event, A, is:

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For 10 cranberry and 15 strawberry juices, the number of outcomes for two strawberry juices are:

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C^{15}_{2}=\frac{15!}{(15-2)!(2!)}=\frac{15!}{13!2!}=\frac{15\times 14}{2}=105

The total number of possible outcomes is:

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C^{25}_{2}=\frac{25!}{(25-2)!(2!)}=\frac{25!}{23!2!}=\frac{25\times 24}{2}=300

Thus, the probability of randomly picking two strawberry juices is:

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Note that you can obtain it as the product of the probabilities that the first juice is a strawberry juice and the second juice is also strawberry juice:

15/25\times 14/24=(15\times 25)/(14\times 24)=210/600=7/20

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3 years ago
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