an international flight is scheduled to fly passengers of many different nationalities. canadians 17 costa…
an international flight is scheduled to fly passengers of many different nationalities. canadians 17 costa ricans 12 jamaicans 24 puerto ricans 8 mexicans 11 considering this data, how many of the next 87 passengers to board should you expect to be jamaicans? jamaicans
Answer
Explanation:
Step1: Calculate total passengers
$17 + 12+24 + 8+11=72$
Step2: Calculate probability of a passenger being Jamaican
The probability $P=\frac{24}{72}=\frac{1}{3}$
Step3: Calculate expected number of Jamaican passengers
Expected number $=\frac{1}{3}\times87 = 29$
Answer:
29