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Novay_Z [31]
3 years ago
5

Let X be a discrete random variable with the moment generating function given as MX(t)=(1−0.2)+0.2et Calculate

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0

Answer:

21

Step-by-step explanation:

just because whsusjeej

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A room has three lightbulbs. Each one has a 30% probability of burning out within the month. Write the probability as a percenta
lesantik [10]

Answer:

97.3%

Step-by-step explanation:

Let the three bulbs be A, B and C respectively.

Let P(A) denote the probability that the first bulb will burn out

Let P(B) denote the probability that the second bulb will burn out

Let P(C) denote the probability that the third bulb will burn out

Now, we are told that Each one has a 30% probability of burning out within the month.

Thus;

P(A) = P(B) = P(C) = 30% = 0.3

Now, probability that at the end of the month at least one of the bulbs will be lit will be given as;

P(at least one bulb will be lit) = 1 - (P(A) × P(B) × P(C))

P(at least one bulb will be lit) = 1 - (0.3 × 0.3 × 0.3) = 0.973 = 97.3%

3 0
4 years ago
4x -y -16 = 0 in slope intercept form
xxMikexx [17]
Y=-4x+16 is slope intercept form. I hope this helped
4 0
3 years ago
Complete the solution of the equation find the value of Y when X equals -8.<br><br> 4x+9y=-14
lukranit [14]

Answer:

\large\boxed{y=2}

Step-by-step explanation:

In this question, we're going to solve the equation.

What we would do is plug in the given information in the right variable. In this case, we would plugin -8 to x, since x = -8

We are solving for y, so we would nee to find how much y = ?

Your equation should look like this:

4(-8)+9y=-14

Lets solve:

4(-8)+9y=-14\\\\\text{Multiply}\, 4(-8)\\\\-32+9y=-14\\\\\text{Add 32 to both sides}\\\\9y=18\\\\\text{Divide}\\\\y=2

When you're done solving, you should get y = 2

This means that y = 2

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
4 0
3 years ago
23, 24, 25, 26, and 27
Debora [2.8K]
23. Option A: 4p + 175 = 375

24. $50 per monthly payment if the down payment is $175

25. Option C: 28x + 64 = 456

26. $14 for a haircut

27. 
a. See the diagram attached. It was drawn on Google Drawing so obviously not to scale but you get the gist. 

b. 

Not quite sure what a verbal model is but with the diagram you should be able to describe it.

 4 bookshelves, 2 on each side, in an entertainment center and a middle section of 30 inches wide all add up in its entirety to equal 90 inches.

c. 

4x + 30 = 90

d. 

4x = 60
x = 15

The bookcases are each 15 inches wide

5 0
3 years ago
Solve each equation for x. Provide the Justifications for each step. <br><br> 6-2x=10
Sati [7]
Subtract 6 from both sides leaving you with -2x=4 now divide -2 from both sides leaving you with x=-2
7 0
3 years ago
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