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Jobisdone [24]
3 years ago
15

Does anybody know the answer to this??

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
5 0

Answer:

a. 14 Cubic Units

Step-by-step explanation:

This is a complex shape made by a 2x3 and a 2x4 shape

The volume of each of them are 6 cubic units and 8 cubic units respectively.

Together they make a complex shape with the volume of 14 cubic units

lbvjy [14]3 years ago
4 0

Answer:

A

Step-by-step explanation:

i counted all of the cubes and came up with 14 hence 14 is the answer

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A normally distributed data set has a mean of 0 and a standard deviation of 2. The closest to the percent of values between -4.0 and 2.0 would be 84%.

<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\%

A normally distributed data set has a mean of 0 and a standard deviation of 2.

Z=(x-\mu)/\sigma

P(x=-0.4)\\\\z=(-0.4-0)/2\\\\= -0.2\\\\P(x=2)\\z=(2-0)/2\\\\=1

P(-0.4 < x < 2)=p(-0.2 < z < 1)=p(-0.2 < z < 0)+p(0 < z < 1)……….(by symmetry)

=.49865+.3413

.83995…….(by (http://83995…….by) table value)

=.8400 × 100

=84%

Learn more about the empirical rule here:

brainly.com/question/13676793

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