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

PLS HELP I WILL GIVE YOU BRAINLY IF YOUR THE FIRST WHO ANSWERS!!!

What is the difference between the grassland and savanna biomes?A)Grassland biomes are closer to the equator and receive more rain.B)Savanna biomes are closer t

Test Prep Which of the following measurements is equivalent to 528 feet? Select all the correct answers. 44 inches 6,336 inches 0.1 mile 176 yards 5,280 inches

A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 1400 kcal of heat is added to the gas, the

Which 2 statements regarding Bank Feed best practice workflows are correct?

Help me out pleaseA) TropismB) NightC) PhotoperiodismD) Plant Hormones

can someone please help me i dont even know

Can someone help me please?

Nancy has worn a blue skirt on 8 of the last 20 days. What is the probability that Nancy will wear a blue skirt tomorrow? Shade the probability as a fraction of

A table for a monthly bank reconciliation dated September 30 is given below. For each item 1 through 12, indicate whether the item should be added to or subtrac