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Sever21 [200]
3 years ago
6

PLEASE HELP!!!!!!!!!!! ASAP!!!!!!!!!!!

Mathematics
1 answer:
asambeis [7]3 years ago
8 0

Answer:

at 1 pm

Step-by-step explanation:

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Use the fact that the mean of a geometric distribution is μ= 1 p and the variance is σ2= q p2. A daily number lottery chooses th
butalik [34]

Answer:

a). The mean = 1000

     The variance = 999,000

     The standard deviation = 999.4999

b). 1000 times , loss

Step-by-step explanation:

The mean of geometric distribution is given as , $\mu = \frac{1}{p}$

And the variance is given by, $\sigma ^2=\frac{q}{p^2}$

Given : $p=\frac{1}{1000}$

             = 0.001

The formulae of mean and variance are :

$\mu = \frac{1}{p}$

$\sigma ^2=\frac{q}{p^2}$

$\sigma ^2=\frac{1-p}{p^2}$

a). Mean =   $\mu = \frac{1}{p}$

              = $\mu = \frac{1}{0.001}$

              = 1000

  Variance =   $\sigma ^2=\frac{1-p}{p^2}$

                  = $\sigma ^2=\frac{1-0.001}{0.001^2}$

                           = 999,000

   The standard deviation is determined by the root of the variance.

    $\sigma = \sqrt{\sigma^2}$

        = $\sqrt{999,000}$ = 999.4999

b). We expect to have play lottery 1000  times to win, because the mean in part (a) is 1000.

When we win the profit is 500 - 1 = 499

When we lose, the profit is -1

Expected value of the mean μ is the summation of a product of each of the possibility x with the probability P(x).

$\mu=\Sigma\ x\ P(x)= 499 \times 0.001+(-1) \times (1-0.001)$

  = $ 0.50

Since the answer is negative, we are expected to make a loss.

4 0
3 years ago
Need help (pic) What is the slope of the line
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Answer:

There is no slope

Step-by-step explanation:

The slope is where it passes on the x-axis. It doesn't pass the x-axis. (I'm pretty sure this is right. I'm sorry if it isn't )

7 0
2 years ago
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Is the point (2,3) a solution for the inequality y<2x+10
Gnom [1K]
Yes. That point is in the solution space.

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You can also figure out algebraically whether the point satisfies the inequality
   y < 2x + 10
Substitute the numbers
   3 < 2·2 + 10
   3 < 14 . . . . . . . . . . . True. (2, 3) is a solution

8 0
3 years ago
Divide. Round your answer to the nearest thousandth.<br> 2,891.3030 - 0.728=
ira [324]

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3971.570

Step-by-step explanation:

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HELPP what is the area of this cylinder
nadezda [96]

Answer:

1,884

Step-by-step explanation:

The formula for solving the area of a right cylinder like this one is:

=2πrh+2πr2

Note:

Pls notify me if my answer is incorrect for the other users that will see this response. Thank you.

<em>-kiniwih426</em>

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