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melisa1 [442]
3 years ago
8

Need help!!!! asap. ​

Mathematics
1 answer:
frez [133]3 years ago
7 0

Answer:

D

Step-by-step explanation:

Annoying to type out, take my word for it

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Fission tracks are trails found in uranium-bearing minerals, left by fragments released during fission events. An article report
Harlamova29_29 [7]

Answer:

Mean track length for this rock specimen is between 10.463 and 13.537

Step-by-step explanation:

99% confidence interval for the mean track length for rock specimen can be calculated using the formula:

M±\frac{t*s}{\sqrt{N}} where

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putting these numbers in the formula, we get confidence interval in 99% confidence as:

12±\frac{2.977*2}{\sqrt{15}} =12±1.537

Therefore, mean track length for this rock specimen is between 10.463 and 13.537

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3 years ago
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x - sqrt(2)

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