"What do I want to find out?" is the first step.
You can use the triangle congruence theorem here because the hypotenuse and the leg of the two right triangles align.
Answer:
Okayy
Step-by-step explanation:
Since T is the centroid which is the center
Also T is a midpoint
Nt=tn=42
Hope this helps
Answer:
a) 54 mph to 144 mph
Step-by-step explanation:
We don't know the shape of the distribution, so we use Chebyshev's Theorem to solve this question. It states that:
At least 75% of the measures are within 2 standard deviations of the mean.
At least 89% of the measures are within 3 standard deviations of the mean.
At least eight-ninths of the player's serves.
8/9 is approximately 89%
So
Mean: 99, standard deviation: 15
99 - 3*15 = 54
99 + 3*15 = 144
So the correct answer is:
a) 54 mph to 144 mph
Yeah It Would
~Hope This Helps :)
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