The shadow of a telephone pole is 20 feet long. You measure the angle of elevation from the end of the shadow to the top of the
telephone pole to be 70 degrees. What is the height of the telephone pole? Round your answer to the nearest foot.
1 answer:
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Answer: 0.23
Step-by-step explanation:
Given : F is the event "works in the finishing department;"
and A is the event "is absent excessively."
Given : 10% of all plant employees work in the finishing department; 20% of all plant employees are absent excessively; and 7% of all plant employees work in the finishing department and are absent excessively.
i.e. P(A)= 0.20 ; P(F)=0.10 ; P(A ∩ F) = 0.07
We know that
Then,
Hence, the required answer is