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Nonamiya [84]
3 years ago
14

At Eagle Rock High School, the probability that a student takes theatre and choir is 0.078. The probability that a student takes

choir is 0.26. What is the probability that a student takes theatre given that the student is taking choir?
Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:

the probability that a student takes theater given that the student is taking choir is 0.3

Step-by-step explanation:

The probability that a student takes theater and choir = 0.078

The probability that a student takes choir = 0.26

the probability that a student takes theater given that the student is taking choir ?

We can solve this using conditional probability.

P(B|A) = P(A and B)/P(A)

In our case the conditional probability will be:

P(Theater | Choir) = P(Choir and Theater)/ P(Choir)

Putting the given values

P(Theater | Choir) = (0.078) / 0.26

P(Theater | Choir) = 0.3

So, the probability that a student takes theater given that the student is taking choir is 0.3

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If a towns population currently at 50,000 experiences 5% growth every 10 years, what will its population be in 25 years
disa [49]

Answer:

56503

Step-by-step explanation:

this grows exponentialy so at the start it would be 50,000 growing by 5% every ten years. but since there is only 2 ten years in 25 years we must cut the percent in half making 2.5%

Step 1

(50,000×5%)+50,000= 52500

Step 2

(52500×5%)+52500= 55125

step 3

(55125×2.5%) +55125= 56503

5 0
2 years ago
Does anyone know the answer to this? I can't understand why it isn't -7.​
faltersainse [42]

The value of 18x + 9∆x - 7 based on the limit given will be 18x - 7.

<h3>How to calculate the value?</h3>

From the information given, it should be noted that we simply want to calculate the value of x.

This will be:

18x + 9∆x - 7

It was stated that ∆x = 0

Therefore, we'll put this into the equation.

This will be:

18x + 9∆x - 7

= 18x + 9(0) - 7

= 18x -7

Learn more about limit on:

brainly.com/question/12383223

#SPJ1

8 0
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anastassius [24]
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5 0
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Step-by-step explanation:

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