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olga nikolaevna [1]
2 years ago
12

The number of hours a light bulb burns before failing varies from bulb to bulb. The distribution of burnout times is strongly sk

ewed to the right. The Central Limit Theorem says that :_________
a. the average burnout time of a large number of bulbs has a distribution that is close to Normal.
b. the average burnout time of any number of bulbs has a distribution that is close to Normal.
c. as we look at more and more bulbs, their average burnout time gets ever closer to the mean for all bulbs of this type.
d. the average burnout time of a large number of bulbs has a distribution of the same shape (strongly skewed) as the distribution for individual bulbs.
e. the average burnout time of any number of bulbs has a distribution of the same shape (strongly skewed) as the distribution for individual bulbs.
Mathematics
1 answer:
VMariaS [17]2 years ago
3 0

Answer:

what

Step-by-step explanation:

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Which system of equations is represented by the graph?
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Answer:

C

Step-by-step explanation:

y=x is a line that has slope 1 meaning it go ups (increases) from left to right.

So that puts us at choice A or C.

Both A or C differ by the numerator for the other function.

We can find the x-intercept for A and C by setting the numerator equal to 0 and solving for x.

Let's do that:

A:  -x-10=0                           C.  -x+10=0

     -x=10                                    -x=-10

      x=-10                                    x=10

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C says x-intercept 10

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Y - 8 = -10<br> How do I verify the solution ?
prisoha [69]

Answer:

y = -2

Step-by-step explanation:

<u>SOLUTION :-</u>

Solve the equation.

  • Add 8 to both sides in order to isolate the equation.

=> y - 8 + 8 = -10 + 8

=> y = -2

∴ y = -2

<u>VERIFICATION :-</u>

To verify the solution of y , just put the solution (y = -2) in place of y in equation and check whether L.H.S = R.H.S.

L.H.S :-

-2 - 8 = <u>-10</u>

R.H.S. :-

<u>-10</u> (already given)

⇒L.H.S. = R.H.S. (verified)

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