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horrorfan [7]
3 years ago
9

Compute the mean, variance, and standard deviation for the following data set. Round all answers to the nearest tenth. {85,95,90

,70,75,95,85,85,95,90,70,75}
Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
Mean: 84.1
You add all the numbers together and divide by the amount of numbers

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Help pls! this is due tonight. thanks!
erma4kov [3.2K]

Answer:

Neon: 0

Oxide:  -2

Copper:   2

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6 0
3 years ago
Read 2 more answers
Halp me pls..<br> !!!!<br><br><br> :D I will be happy
pochemuha
The probability of multiple events happening is found by multiplying the probabilities of each event together.

P_{d+even\ number}=P_{d}*P_{even}\\\\P_{d}=\frac{number\ of\ events}{total\ number\ of\ events}=\frac{(d)}{a,\ b,\ c,\ d,\ e)}=\frac{1}{5}\\\\P_{even}=\frac{number\ of\ events}{total\ number\ of\ events}=\frac{(2,\ 4,\ 6)}{(1,\ 2,\ 3,\ 4,\ 5,\ 6)}=\frac{3}{6}=\frac{1}{2}\\\\\frac{1}{5}*\frac{1}{2}=\boxed{\frac{1}{10}}

So yes, 1/10 is the answer :)
5 0
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