Williamricardo Williamricardo
  • 21-02-2015
  • Mathematics
contestada

In the cafeteria there are 7 teachers 48 girls and 45 boys What is the probability that a person chosen at random from the cafeteria is a boy

Respuesta :

subediprashant
subediprashant subediprashant
  • 21-02-2015
total peoples = 7 + 48+ 45 = 100
probability of boys = number of boys / total people
                             45/100 = 9/20
Answer Link
selegna1903 selegna1903
  • 21-02-2015
7+48+45
48+45=93
so 93% chance of a boy getting chosen

Answer Link

Otras preguntas

Solve the quadratic equation x2 − 4x = 21 by factoring.
Dave is planning to build an electric power station to supply electricity to his community. To help him decide which type of electric power station to build, he
A device of 400 W works in 220 V power supply . What is the Current passing through the Device ?​
Find the ‘exact’ perimeter of each triangle
CAN SOMEONE PLEASE HELP ME!!!
why is it not likely to use an electron microscope in a school laboratory​
Question 9 of 10 Which is a negatively skewed distribution?
The length of a rectangle is 11 m less than three times the width, and the area of the rectangle is 42 m^2 . Find the dimensions of the rectangle.
Suppose that a and b are nonzero real numbers, and that the equation x² + ax + b = 0 has solutions a and b. Then the pair (a, b) is
How do you factor 12y^2-6y-90