shannonmil920 shannonmil920
  • 03-05-2021
  • Mathematics
contestada

A class has five students. What is the probability that exactly two of the students were born on a weekend?

Respuesta :

RyanYuhYeet RyanYuhYeet
  • 03-05-2021

Answer:

This is binomial.

Here n = 5

p = 2/7

mean = np = 5*2/7 = 10/7 = 1.42857

standard deviation = sqrt(npq) = sqrt(5*2/7*5/7) = 1.01015

Step-by-step explanation:

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