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olga nikolaevna [1]
3 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]3 years ago
3 0

Answer:

what

Step-by-step explanation:

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4 0
4 years ago
a rectangles width is 6 feet less than its length. if the area of the rectangle is 247 square feet what is its length in feet
mestny [16]

Answer:

The answer is

<h2> 19 feet</h2>

Step-by-step explanation:

Area of a rectangle = length × width

let w be the width and l be the length

Area of rectangle = 247 ft²

width is 6 feet less than its length is

w = l - 6

247 = l( 1 - 6)

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(l + 13) (l - 19) = 0

l + 13 = 0 l - 19 = 0

l = - 13 l = 19

Since the length should be positive

The length of the rectangle is

<h3> 19 feet</h3>

Hope this helps you

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