Mathematics: The number of major faults on a randomly chosen 1 km stretch of highway has a poisson distribution with mean 1.7. the random variable x is the distance (in km) between two successive major faults on the highway. what is the probability you must travel more than 3 km before encountering the next four major faults?

The number of major faults on a randomly chosen

Ответ:

amorosoavap5cejz

15.03.2022

The probability can be modeled using the following formula:
P(X =3)

wherein X follows the density
$P(X=k)=\frac{1.7^ke^{-1.7}}{k!}$
Now for k = 3 we get:
$P(X=3)=\frac{1.7^3e^{-1.7}}{3!}=0.15$
The probability we are looking for is 0.15.
Do you have any question ?

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Ответ:

Mikey3414

27.05.2020

Mathematics

each student gets 3 erasers

Step-by-step explanation:

You have to divide 20 total erasers by the 6 students and you get about 3.33... and this number rounded down is 3.

Have an stupendous day! I hope this answer was helpful to you.

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