There are 5 chemistry, 6 physics, and 7 math teachers in a school. if 3 teachers are selected randomly, find the probability that at least one is a math teacher.

Question

01-07-2018
Mathematics

contestada

There are 5 chemistry, 6 physics, and 7 math teachers in a school. if 3 teachers are selected randomly, find the probability that at least one is a math teacher.

Respuesta :

Otras preguntas

6 plus 9 rquals to 10 plus WHAT NUMBER????

The distance traveled, in feet, of a ball dropped from a tall building is modeled by the equation d(t) = 16t2 where d equals the distance traveled at time t sec

A person who initially weighs 250 pounds loses 2 pounds per week. Let t represent the number of weeks and let W represent the person's weight, in

What is Carson's goal in "The Obligation to Endure"? O A. To defend the use of DDT while illustrating the safety of other pesticides O B. To hold entomologists

whats the are of this figure?!?

How were the Voting Rights Act of 1965 and the Fifteenth Amendment similar?

Describe the main difference between the Bohr model of the atom and the Rutherford model.

PLEASE HELP i dont understand at all i know it looks like a lot but its not. There are eight French statements listed below. Choose six and change the statement

Some digestive products, such as water and electrolytes, will be absorbed by diffusion. They diffuse from an area of ____________ concentration in the intestina

itsai7376p74zuj itsai7376p74zuj · Answer 1 · 2018-07-01T18:26:24+02:00

itsai7376p74zuj itsai7376p74zuj

01-07-2018

77.2%

To find the probably and at least on you must find the probability of none and subtract from one.

The probability of none can be found like so:

(5+6 over 5+6+7)^3 = .228

1 - .228 = .772

Hope this helps!

Answer Link