Williamricardo Williamricardo

21-02-2015
Mathematics

Answered

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

Answer :

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

Other Questions

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

(10y^3+20y^2+55y)/5y

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

How is it possible for Mercury to have frozen ice ?

Can someone use the word delta in a sentence

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?