SOLUTION: In a group of 120 people 90 have an age of more than 30 years and the others have an age of less than 20 years. If a person is selected at random from this group what is the proba
Algebra.Com
Question 1064721: In a group of 120 people 90 have an age of more than 30 years and the others have an age of less than 20 years. If a person is selected at random from this group what is the probability the persons age is less than 20? Show your work
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
30 of the 120 have an age less than 20 years
Randomly choosing one, and the probability is 1 in 4 or .25 or 25%
RELATED QUESTIONS
And a group of 120 people 90 have an age of more than 30 years and the others have an... (answered by ikleyn)
if Jonah and Amber have a combined age of 30 if Amber is two years less than twice Jonas... (answered by cv119252,josgarithmetic,MathTherapy,ikleyn)
Jan's age is three years less than twice Tritt's age. The sum of their age is 30. Write... (answered by larflo)
Having lots of trouble mapping this out. Please help.
If 4.1% of the population of... (answered by stanbon)
Vincent and sofia have the same birthday. On their birthday this year Sofia's age is... (answered by josmiceli)
There were 104,830 people who attended a rock festival. if there were 8110 more boys than (answered by ikleyn)
There were 104,830 people who attended a rock festival. if there were 8110 more boys than (answered by JoelSchwartz)
10,483 people attended a rock festival. If there were 811 more boys than girls, and 2,481 (answered by ikleyn)
chloe's current age is a multiple of 6. next year, her age will be a multiple of 5. she... (answered by math_tutor2020)