Question

The table shows when the tickets for a concert are sold and the types of tickets that are sold. What is the probability that a randomly selected person attending the concert is an adult or has purchased the ticket in advance?
Hint- Use the addition rule
A) 148/250
B) 100/250
C) 140/250
D) 188/250

Please help I keep getting it wrong, I’ve tried A and B.

Answer 1

Answer:

D. 188/250

Step-by-step explanation:

Total number attending concert is 250

Total number of adults AND tickets purchased in advance:

48 + 100 + 40 = 188

Divide by 250:

$\frac{188}{250}$