last year Rafael opened an investment was count with $5,500 at the end of the year the amount in the account has been decreased
1 answer:
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Answer:
∠ H ≈ 23°
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan H = =
=
, thus
∠ H = (
) ≈ 23° ( to the nearest degree )
For any distribution, the sum of the probabilities of all possible outcomes must be 1. In this case, we have to have
We're told that , and we're given other probabilities, so we have
The expected number of calls would be