The harpooner, Queequeg, possesses excellent skills. When he aims his harpoon at a sperm whale hehits it 95% of the time, and when he aims at a right whale he hits it 75%. Ahab sends the harpoonersout to chase sperm whales 65% of the time and right whales 35% of the time.(a)  Make a tree diagram summarizing the probabilities above.(b)  What is the probability that Queequeg misses a randomly selected whale with hisharpoon?(c) Years later, Queequeg is telling a story about a time he missed a whale with his harpoon.What is the probability that his target that time was a sperm whale?

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The harpooner, Queequeg, possesses excellent skills. When he aims his harpoon at a sperm whale he
hits it 95% of the time, and when he aims at a right whale he hits it 75%. Ahab sends the harpooners
out to chase sperm whales 65% of the time and right whales 35% of the time.
(a)  Make a tree diagram summarizing the probabilities above.
(b)  What is the probability that Queequeg misses a randomly selected whale with his
harpoon?
(c) Years later, Queequeg is telling a story about a time he missed a whale with his harpoon.
What is the probability that his target that time was a sperm whale?

Expert Solution
Step 1

(a)

The tree diagram for the given scenario is,

Statistics homework question answer, step 1, image 1

Step 2

(b)

The probability that Queequeg misses a randomly selected whale with his harpoon is,

Statistics homework question answer, step 2, image 1

Thus, the probability that Queequeg misses a randomly selected whale with his harpoon is 0.12.

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