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sleet_krkn [62]

3 years ago

11

A parabola passes through the points (–5, –10) and (5, –10), and the vertex is located at (0, 0). Find the equation of the parab

ola.

1 answer:

vitfil [10]3 years ago

8 0

The equation of the parabola is -0.4x^2

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SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. An administrator at a college is inter

borishaifa [10]

Answer:

The appropriate solution is "259".

Step-by-step explanation:

According to the question,

$\sigma = 300$

$M.E=25$

At 82% CI,

$\alpha = 0.18$

Critical value,

$Z_c=1.341$

Now,

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$=259$

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