Complete the inequality to describe the range. −2 y 5

Mathematics

2 answers:

Nat2105 [25]3 years ago

5 0

We can describe the range by flipping the equation.

-2 > y > 5

That is your answer to the question.

zalisa [80]3 years ago

5 0

Answer:

-2>y>5

Hope this helps

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A venture capital company feels that the rate of return (X) on a proposed investment is approximately normally distributed with

serious [3.7K]

Answer:

a) 0.0062 = 0.62% probability that the return will exceed 55%.

b) 0.3085 = 30.85% probability that the return will be less than 25%

c) 30%.

d) The 75th percentile of returns is 36.75%.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean 30% and standard deviation 10%.

This means that $\mu = 30, \sigma = 10$