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aliya0001 [1]
3 years ago
7

21% of the students at a High are in Maths group, 15 % are in science group, and 6 % are in both. If a student is selected rando

mly , what is the probability that the student is in maths or science group?
Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

6%

Step-by-step explanation:

The probability of picking a maths student = 21% = 21/100

The probability of picking a science student = 15% = 15/100 = 3/20

The probability of picking in both = 6/100 = 3/50

The probability that the student is in maths or science = 21/100 - 15/100 = 6/100 = 6%.

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3 years ago
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3 years ago
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3 years ago
If Laura walks 3 miles in 80 minutes, then Laura will walk how far in 120 minutes if she walks at the same speed the whole time?
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