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Lynna [10]
1 year ago
12

Consider a sample with a mean of 30 and a standard deviation of 5. Use chebyshev's theorem to determine the percentage of data w

ithin 15 to 45.
Mathematics
1 answer:
RSB [31]1 year ago
5 0

With the help of Chebyshev's theorem, the percentage of data between 5 to 45 is 89%.

<h3>What is Chebyshev's theorem?</h3>

The minimum percentage of observations that are within a given range of standard deviations from the mean is calculated using Chebyshev's Theorem.

Numerous other probability distributions can be applied to this theorem.

Chebyshev's Inequality is another name for Chebyshev's Theorem.

One of many theorems established by Russian mathematician Pafnuty Chebyshev is known as Chebyshev's theorem.

According to Bertrand's postulate, there is a prime between n and 2n for every n.

So, the percentage of data within 15 to 45 is:

In this instance, we're looking for numbers between 15 and 45.

Since 30 -3*5 = 20 and 30 + 3*5 = 45, we are therefore within 3 deviations of the mean. So, since k = 3, we can find the percent as follows:

% = (1 - 1/3²) × 100 = 88.88% = 89%

Therefore, with the help of Chebyshev's theorem, the percentage of data between 5 to 45 is 89%.

Know more about Chebyshev's theorem here:

brainly.com/question/28482338

#SPJ4

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How are these triangles congruent?
ICE Princess25 [194]

Answer:

\triangle PTY \cong \triangle PSQ by ASA

Step-by-step explanation:

In triangle PTU and triangle PSQ

\overline{PT} \cong \overline{PS}     [Side]             [Given]

\angle PTU \cong \angle PSQ          [Angle]

Vertical angles are those angles which are opposite to each other.

\angle TPU \cong \angle SPQ        {Angle]

ASA(Angle-Side-Angle) postulates states if two angles and one included  side of one triangle are congruent to two angles and the included side of the other triangle, then these triangle are congruent.

by ASA postulates;

\triangle PTY \cong \triangle PSQ


5 0
4 years ago
Which of the following is approximately equal to the product of the multiplication problem below?
Elis [28]

For this case we have the following expression:

\frac {21} {5} * \frac {19} {4}

Multiplying we have:

\frac {21 * 19} {5 * 4} =\\\frac {399} {20} =\\19.95

We round the expression and we have that it is equivalent to: 20.

Thus, \frac {21} {5} * \frac {19} {4}is approximately equal to 20.

Answer:

The expression given is approximately equal to 20.

Option C

7 0
4 years ago
Sena determines the remainder of 4x32−14x16+2x3−8x−1, using the remainder theorem. How does she proceed to the correct answer? D
Flauer [41]
Answer: x = 1 and -16

Explanation:

(4x^32 - 14x^16 + 2x^3 - 8)/x - 1

x - 1 = 0
x = 1

f(x) = 4x^32 - 14x^16 + 2x^3 - 8
f(1) = 4(1)^32 - 14(1)^16 + 2(1)^3 - 8
f(1) = 4 - 14 + 2 - 8
f(1) = -10 - 6
f(1) = -16

Therefore, the remainder is -16
4 0
3 years ago
Find the value of given expression <br><br>=》<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B901%20-%205%20%2B%204%7D%20" id=
Hitman42 [59]

Step-by-step explanation:

Answer is 30 I hope this help you

6 0
3 years ago
17.9, ?, 16.5, 35.90
Kay [80]
The answer to your problem is 16.0
3 0
4 years ago
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