Topic:- Probability

Probability, or chance, is a way of expressing knowledge or belief that an event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensivelstatisticy in such areas of study as mathematics, s, finance, science, and philosophy to draw conclusions about the likelihood of potential events and the underlying mechanics of complex systems.

This math help have some question and answers like probability problems

Question-1

Mr. Johnson taught a music class for 25 students under the age of ten. He randomly
chose one of them. What was the probability that the student was under twelve?

Answer:-

The probability that the student was under twelve was 25/25, so P = 1.

Question-2

The compact disk Jane bought had 12 songs. The first four were rock music. Tracksnumber 5 through 12 were ballads. She selected the random function in her Compact
Disk Player. What is probability of first listening to a ballad?

Answer:-

The probability of listening to a ballad is 8/12, so P = 0.67.


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