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babunello [35]
3 years ago
8

Describe in your own words what a hyperbola is.

Mathematics
1 answer:
nalin [4]3 years ago
7 0

Answer:

A conic section that can be thought of as an inside-out ellipse

Step-by-step explanation:

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3 years ago
A normally distributed data set has a mean of 0 and a standard deviation of 2. Which of the following is closest to the percent
frutty [35]

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

#SPJ2

4 0
1 year ago
A = 1 , b =3.5 i need help quick
Alex Ar [27]

Answer:

please provide full question......

7 0
3 years ago
What is the answer to this
Scilla [17]
420, 210, 140, 105, 84, 70, 60, 42, 35, 30, 28, 21, 20, 15, 14, 12, 10, 7, 6, 5, 4, 3, 2, 1
8 0
3 years ago
Which expression is equivalent to this expression?<br><br> (-5cd-4)(2cd2)2
GarryVolchara [31]

Answer: If the answer needs to be simplified, then the answer would be

-20c^2 d^3 - 16cd^2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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