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kondaur [170]
2 years ago
14

Estion

Mathematics
1 answer:
dalvyx [7]2 years ago
3 0

Using the Poisson distribution, it is found that there is a 0.507 = 50.7% probability that the bird feeder will be visited by at most 5 birds in a 45 minute period during daylight hours.

<h3>What is the Poisson distribution?</h3>

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by:

P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}

The parameters are:

  • x is the number of successes
  • e = 2.71828 is the Euler number
  • \mu is the mean in the given interval.

Considering the average of 15 birds every 2 hours during daylight hours, the mean for a 45-minute period is given by:

\mu = 15 \times \frac{45}{120} = 5.625

The probability that the bird feeder will be visited by at most 5 birds in a 45 minute period during daylight hours is given by:

P(X \leq 5) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5)

In which:

P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-5.625}(5.625)^{0}}{(0)!} = 0.004

P(X = 1) = \frac{e^{-5.625}(5.625)^{1}}{(1)!} = 0.02

P(X = 2) = \frac{e^{-5.625}(5.625)^{2}}{(2)!} = 0.057

P(X = 3) = \frac{e^{-5.625}(5.625)^{3}}{(3)!} = 0.107

P(X = 4) = \frac{e^{-5.625}(5.625)^{4}}{(4)!} = 0.150

P(X = 5) = \frac{e^{-5.625}(5.625)^{5}}{(5)!} = 0.169

Then:

P(X \leq 5) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5) = 0.004 + 0.02 + 0.057 + 0.107 + 0.15 + 0.169 = 0.507

0.507 = 50.7% probability that the bird feeder will be visited by at most 5 birds in a 45 minute period during daylight hours.

More can be learned about the Poisson distribution at brainly.com/question/13971530

#SPJ1

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