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zysi [14]
3 years ago
15

12(4^3−6⋅3^2) solve please fast

Mathematics
2 answers:
REY [17]3 years ago
5 0
5 is the answer to this problem that this person needed help with

Marrrta [24]3 years ago
3 0
The answer is 291.72
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A simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and
Brrunno [24]

Answer:

.b. It is one‐half as large as when n = 100.

Step-by-step explanation:

Given that a  simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and a standard deviation of 3 hours.

i.e. s = 0.3

we obtain se of sample by dividing std devitation by the square root of sample size

i.e. s= \frac{3}{\sqrt{n} }

when n =100 this = 0.3 and

when n =400 this equals 0.15

We find that when sample size is four times as large as original, std deviation becomes 1/2 of the original

Correction option is

.b. It is one‐half as large as when n = 100.

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3 years ago
John ate 1/6 of a cake. Mike ate 1/12 of it. How much of the cake did the two boys eat?​
Murrr4er [49]

Answer:

1/4

Step-by-step explanation:

1/6 + 1/12 = 1/4

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2 years ago
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Leann is 3 cm taller than Fred. If Fred's height is f cm, then Leann's height is cm?
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F + 3 = leann's height
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