How can the equation of a parabola be derived when given the focus and the directrix
1 answer:
You might be interested in
The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03
Step-by-step explanation:
Step 1 :
Given,
The percentage of students buying the raffle ticket = 30%
The percentage that the student who bought the ticket wins the prize = 10%
We need to determined the probability that randomly selected student will buy a raffle ticket and win a prize.
Step 2 :
The probability that a student buys the raffle ticket =
The probability that a student wins a prize = =
The probability that a student who buys the ticket wins a price can be computed by taking the product of the above 2 probabilities.
= ×
=
= 0.03
Step 3 :
Answer :
The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03