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natka813 [3]
3 years ago
11

Please help, see attatched file.

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0
The answer above is correct.
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F(4) = 1/3 x 4(4)
=1/3 x 16
= 16/3
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Why are only some quadrilaterals parallelograms?
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What percent of 3/5 is 9/10 ? <br> A. 1.5% <br> B. 7% <br> C. 15% <br> D. 67% <br> E. 150%
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7 0
3 years ago
Read 2 more answers
A set of data with a mean of 53, and a standard deviation of 6.2 is normally distributed. Find the value of a data point that is
Evgesh-ka [11]

The value of a data point that is -2 standard deviations from the mean

so, 40.6 to 65.4.

<h3>What is the empirical rule?</h3>

According to the empirical rule, also known as the 68-95-99.7 rule, the percentage of values that lie within an interval with 68%, 95%, and 99.7% of the values lies within one, two, or three standard deviations of the mean of the distribution.

P(\mu - \sigma < X < \mu + \sigma)  \approx 68\%\\P(\mu - 2\sigma < X < \mu + 2\sigma)  \approx 95\%\\P(\mu - 3\sigma < X < \mu + 3\sigma)  \approx 99.7\%

From the empirical rule, we know that for 95% we are in 2 standard deviations of the mean. so:

= 53- 6.2- 6.2

= 40.6

The value of a data point that is -2 standard deviations from the mean

53 + 6.2 + 6.2

= 65.4

Learn more about the empirical rule here:

brainly.com/question/13676793

#SPJ2

7 0
2 years ago
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