3 years ago

5x+13c-2 inequality

Mathematics

1 answer:

tiny-mole [99]3 years ago

3 0

Answer:

Step-by-step explanation:

This is not solvable, because there is only one equation without an inequality or equal sign.

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4 years ago

The random variable X has a uniform distribution with values between 16 and 24. What is the mean and standard deviation of X

N76 [4]

Answer:

$Mean = 20$

$SD = 2.31$

Step-by-step explanation:

Given

$a = 16$

$b = 24$

Solving (a): The mean

The mean of a uniform distribution is:

$Mean = \frac{1}{2}(a + b)$

This gives:

$Mean = \frac{1}{2}(16 + 24)$

$Mean = \frac{1}{2}(40)$

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Solving (b): The standard deviation

The standard deviation is:

$SD = \sqrt{\frac{(b - a)^2}{12}}$

This gives:

$SD = \sqrt{\frac{(24 - 16)^2}{12}}$

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