The answer is: -8y - 20.
Telephone pole breaks and falls as shown. To the nearest foot, what was the
1 answer:
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Answer:
(a) Shown below.
(b) Shown below.
(c) The probability that a person does not learn Spanish is 0.18.
(d) The probability that method B was used given that a student learned the Spanish successfully is 0.83.
Step-by-step explanation:
(a)
Consider the provided data.
Then the probability of not learning Spanish using the respective methods are:
(b)
The Probability Tree representing each of the probabilities mentioned above is attached below.
(c)
Compute the probability that a person does not learn Spanish as follows:
Thus, the probability that a person does not learn Spanish is 0.18.
(d)
Compute the probability that method B was used given that a student learned the Spanish successfully as follows:
Thus, the probability that method B was used given that a student learned the Spanish successfully is 0.83.
