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:

Work Shown.

Answer Link

Otras preguntas

Conception occurs when the female gamete fertilizes the male gamete. True False HELP!
One liter (l) of paint covers approximately 10 m2 of wall. how thick is the layer before it dries?
How much work is needed to increase the speed of a 2.4 kg cart from 6.0m/s to 10.0m/s?
Se usa un sistema de esclusas porque no todo el ______ se encuentra al nivel del mar, *******.
How can graphics and/or statistics be used to misrepresent data? where have you seen this done?
The circumference of a circle is 3π in. What is the area of the circle? ​ 1.5π ​ in² ​ 2.25π ​ in² ​ 6π ​ in² ​ 9π ​ in²
If you accumulate too many points on your license, it will be __________ A. canceled. B. suspended. C. revoked.
Particle sizes from 0.2cm to 6.4cm are classified as what type of sediment?
Why is dna coiled into chromosomes in eukaryotes?
Using the guess and check technique, find two numbers that satisfy both conditions. The sum of the two numbers is 56. The second number is seven less than two t