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Phoenix [80]
3 years ago
11

I need help with this uwu​

Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

300

Step-by-step explanation:

Change the fractions so that they have a common denominator.

2/3 = 4/6

1/2 = 3/6

The difference between 4/6 and 3/6 is 1/6. This is the number of people who left the concert (50) as the fractions changed after they left.

Since 4/6 - 3/6 = 1/6 which also = 50, the total number of seats, 6/6 = 50 × 6 = 300

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The probability is the measure of the likelihood of an event to happen. It measures the certainty of the event.

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Probability = \dfrac{e^{-0.3 \times 20} (0.3 \times 20)^1}{1!}\ +\dfrac{e^{-0.3 \times 20} (0.3 \times 20)^2}{2!}\ + \dfrac{e^{-0.3 \times 20} (0.3 \times 20)^3}{3!}\\

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So, The probability that more than 3 messages will arrive during a 30-second interval is P(X=n)=\dfrac{e^{-0.3 \times 20} (0.3 \times 20)^n}{n!}.

Learn more about probability here

brainly.com/question/24756209

#SPJ4

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<span>49 17 g 143 225
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