A box of colouring pens contains five pens that are broken and nine pens that work. Two children, a girl and a boy, each need to take a pen.
What is the probability that at least one broken pen is chosen?
Important Questions on Quantifying Randomness: Probability
A box of colouring pens contains five pens that are broken and nine pens that work. Two children, a girl and a boy, each need to take a pen.
If exactly one broken pen is chosen, what is the probability that the girl chose it?
The yearbook team has members, of whom seven are female and three are male. One of the members is chosen at random to be the lead editor of the book.
Find the probability that the chosen person is male.
The yearbook team has members, of whom seven are female and three are male. One of the members is chosen at random to be the lead editor of the book.
Two people are chosen to take photographs at the school sports day. Find the probability that one is male and the other is female.
On average, Luca answers five problems correctly out of seven. Ian's average is five out of nine. They both attempt the same problem.
What is the probability that at least one of the students answers the question correctly?
On average, Luca answers five problems correctly out of seven. Ian's average is five out of nine. They both attempt the same problem.
If the question is answered correctly, what is the probability that Luca got the correct answer?
On average, Luca answers five problems correctly out of seven. Ian's average is five out of nine. They both attempt the same problem.
If the question is answered correctly, what is the probability that Ian got the correct answer?
On average, Luca answers five problems correctly out of seven. Ian's average is five out of nine. They both attempt the same problem.
If there was at least one correct answer what is the probability that there were two correct answers?
