A. The distance between the towers is 7350 ft, and the angles of elevation are given in the diagram. Find the distance from Towe
r 2 to the plane, to the nearest tenth of a foot.
11099 ft
9448 ft
4894 ft
10032 ft
B. Find the height of the plane from the ground, to the nearest foot. Hint: Use your answer from part a.
8563 ft
9170 ft
10135 ft
11300 ft
11099 ft
9448 ft
4894 ft
10032 ft
B. Find the height of the plane from the ground, to the nearest foot. Hint: Use your answer from part a.
8563 ft
9170 ft
10135 ft
11300 ft
2 answers:
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The value of z-score for a score that is three standard deviations above the mean is 3.
In this question,
A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.
Let x be the score
let μ be the mean and
let σ be the standard deviations
Now, x = μ + 3σ
The formula of z-score is
⇒
⇒
⇒
Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.
Learn more about z-score here
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