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

use the circle graph to determine how many hours per day Becky spends on each activity

The Thermosphere contains a layer of charged particles called the ________________ which makes commucation by _________________ possible and is home to the ____

Based on a farmer’s soil composition he must mix his fertilizer at a certain strength. He must mix 5% of nitrogen, 6% phosphorus and 4% potassium per tonne

estimate the product of 68 and 42

The most infamous symbol of the Cold War, the Berlin Wall, was located in what country? England France Germany Italy

why does it takes 3 copies of 1/6 to show the same amount as 1copy of 1 / 2

you have 36 coins. the ratio of heads to tails is 3 to 1. how many coins are heads?

the distance between two towns is 83km. Write this distance to the nearest 10?

if a figure is a square then it is a regular quadrilateral is this true or false

Write the phrase as an expression: 5 less than 8