Given that a:b:c= 20 : 35 : 15, a) simplify a : b:c, b) find a:b,
1 answer:
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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