There are 4 elephants in the preserve. Each elephant eats 2 1/4tons of vegetation in a week.
2 answers:
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Answer:
55.82% probability that there will not be enough seats available for all booked passengers.
Step-by-step explanation:
For each booked passenger, there are only two possible outcomes. Either they arrive for the flight, or they do not arrive. The probability of a booked passenger arriving is independent of other booked passengers. So we used the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
The airline books 22 people on a flight
This means that
Past studies have revealed that only 89% of the booked passengers actually arrive for the flight.
This means that
Find the probability that there will not be enough seats available for all booked passengers.
The airplane seats 19, so this is the probability of more than 19 passengers arriving.
In which
55.82% probability that there will not be enough seats available for all booked passengers.