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

what is the mid point 18.6 and 18.7 on a number line
Which lists all the integer solutions of the equation |x| = 7? a. –7 only b. –7 and 7 c. 0 and 7 d. 7 only
What is the scale factor of 5mm:1cm
20 points come n get it ppl! Seven hours 27 minutes is equal to how many seconds altogether? 447 2,040 122,400 26,820
round 8.293 to the nearest hundredths?
Why might a scientist need to repeat an experiment
When did Vasco DA Gama die
rename the number 120,000 ten thousands
Artaud noticed that if he takes the opposite of his age and adds 40, he gets the number 28. How old is Artaud
Please Help!!! A gym teacher orders 42 tennis balls. Each package contains 3 tennis balls. Which of the following equations represents the number (x) of package