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san4es73 [151]
3 years ago
15

M

Mathematics
1 answer:
Olegator [25]3 years ago
4 0

Answer:

the answer is B

Step-by-step explanation:

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Help!??!!???????????????????
vagabundo [1.1K]
I honestly really do not know so sorry if it is wrong..i would say -0.25 sry if wrong
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3 years ago
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

  • M is the average track length (12 μm) in the report
  • t is the two tailed t-score in 99% confidence interval (2.977)
  • s is the standard deviation of track lengths in the report (2 μm)
  • N is the total number of tracks (15)

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

4 0
2 years ago
721 + 19 =<br>886 + 33 -<br>447 22=<br>915 + 36 =<br>??​
timama [110]

Answer:

Step-by-step explanation:

5 0
2 years ago
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 My best guess is D.
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The sum would be

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