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mariarad [96]
3 years ago
8

The average number of road accidents that occur on a particular stretch of road during a year is 11.

Mathematics
1 answer:
maks197457 [2]3 years ago
8 0

Answer:

0.06

Step-by-step explanation:

Given that :

Average number of road accident (n) = 11

Probability of observing exactly 7 accident o. The stretch of road next year

Poisson random variable (k) = 7

Using the poisson distribution formula :

P(x = k) = (n^k * e^-n) / k!

P(x = 7) = (11^7 × e^-11) / 7!

P(x = 7) = (19487171 × 0.0000167017) / 5040

P(x = 7) = 325.4688838907 / 5040

P(x = 7) = 0.0645771

= 0.06

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