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lapo4ka [179]
3 years ago
7

A bag contains 4 blue and 5 red counters. Two counters are chosen at random without replacement. What is the probability that th

e counters are both red?
Mathematics
1 answer:
jeka943 years ago
6 0

Answer:

P(both are red) = 5/18

Step-by-step explanation:

total counters = 9

red counters = 5

P(both red) = P(R1) n P(R2)

5/9 * 4/8 =5/18

5/9 because the red counters are 5 and the total number of counters are 9.

I multiplied by 4/8 because, after selecting the first red counter without replacement, the remaining is 4 and the total decreases to 8.

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At a restaurant, the bill comes to $34. If you decide to leave a 15% tip, how much total do you need to pay?
Mumz [18]
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4 0
3 years ago
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Question 4: What is the center of the circle with standard form (x-2)2+(y+4)2=16?
storchak [24]

Answer: second option.

Step-by-step explanation:

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In this case you have the following equation of the circle written in Standard form:

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4 years ago
The lifespans of crocodiles have an approximately Normal distribution, with a mean of 18 years and a standard
antiseptic1488 [7]

Answer:

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