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3 years ago

15

Order the fractions from least to greatest.1. 3/10 3/6 2/52. 3/8 1/3 3/12

1 answer:

shusha [124]3 years ago

6 0

Answer:

1. 3/10, 2/5, 3/6 2. 3/12, 1/3, 3/8

i hope this helps!

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An exponential random variable has a standard deviation of 16. Calculate The probability that it takes on a value < 11. Use 3

antiseptic1488 [7]

Answer:

$P(X$

And using the cdf we got:

$P(X$

Step-by-step explanation:

Previous concepts

The exponential distribution is "the probability distribution of the time between events in a Poisson process (a process in which events occur continuously and independently at a constant average rate). It is a particular case of the gamma distribution". The probability density function is given by:

$P(X=x)=\lambda e^{-\lambda x}, x>0$

And 0 for other case. Let X the random variable that represent the random variable of interest and we know that the distribution is given by:

$X \sim Exp(\lambda)$

We know the variance on this case given by :

$Var(X) = \frac{1}{\lambda^2}$

So then the deviation is given by:

$Sd(X) = \frac{1}{\sqrt{\lambda}}$

And if we solve for $\lambda$ we got:

$\lambda = (\frac{1}{16})^2 = \frac{1}{256}$

The cumulative distribution function for the exponential distribution is given by:

$F(x) = 1- e^{-\lambda x}$

Solution to the problem

And for this case we want to find this probability:

$P(X$

And using the cdf we got:

$P(X$

5 0

3 years ago

Type the single exponent that would appear on the 7: *

liq [111]

You add the exponent. You never multiply it.

Hope this helps!

<em>Say, mind doing me a favor and clicking the brainliest button for me? It would help me tons.</em>

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<h2><em>~~~PicklePoppers~~~</em></h2>

6 0

3 years ago

How do you make a equation with 2/3 X3

Marrrta [24]

Do you mean (2/3) times 3X or is x a multiplication symbol

8 0

3 years ago

Expand.<br> (x^2)(x^2-6)

Liono4ka [1.6K]

Answer:

This can be expanded to x⁴ - 6x²

Step-by-step explanation:

$x^2(x^2 - 6)\\= x^4 - 6x^2$

5 0

2 years ago

Read 2 more answers

Who is correct jo or alex

REY [17]

Neither Alex nor Jo are correct, because surface area is a 2-dimensional quantity, so it would be given in just square units, not linear nor cubic.

So the answer is D

8 0

3 years ago