Question

At a zoo, a sampling of children was asked if the zoo were to get one additional animal, would they prefer a lion or an elephant. The results of the survey follow:

Write each of the following in terms of events (L/E/B/G, respectively; for example if asked what the probability that a selected child prefers a Lion, given that the child is a Boy, you would

respond: P(L|B) = 90 ) 200

What is the probability that:
a. A randomly selected child is a Boy?
b. A randomly selected Girl prefers Elephants?
c. A randomly selected child that prefers Lions is a Boy d. A randomly selected child prefers Elephants?

Answer 1

ANSWER::

(a)

the probability that: a randomly selected child is a Boy : P(B)

(b)

the probability that: a randomly selected Girl prefers Elephants : P(E/G)

(c)

the probability that: a randomly selected child that prefers Lions is a Boy : P(B/L)

(d)

the probability that: a randomly selected child prefers Elephants : P(E)

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