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sdas [7]
2 years ago
8

Suppose a distribution has a mean of 40, and a standard deviation of 5, if 3 is added to each value in the data what is the new

mean and standard divination?
Mathematics
1 answer:
Kamila [148]2 years ago
5 0

Answer:

Step-by-step explanation:

the mean would be 40+3= 43

the standard deviation wouldn't change

mean= 43

standard deviation= 5

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What is the sum of the geometric series? Sigma-Summation Underscript n = 1 Overscript 4 EndScripts (negative 2) (negative 3) Sup
belka [17]

Answer:

Step-by-step explanation:

∑⁴ₙ₌₁ -144 (½)ⁿ⁻¹

This is a finite geometric series with n = 4, a₁ = -144, and r = ½.

S = a₁ (1 − rⁿ) / (1 − r)

S = -144 (1 − (½)⁴) / (1 − ½)

S = -270

If you wanted to find the infinite sum (n = ∞):

S = a₁ / (1 − r)

S = -144 / (1 − ½)

S = -288

Read more on Brainly.com - brainly.com/question/14504382#readmore

8 0
3 years ago
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What is the missing value in this table of equivalent ratios?
Hitman42 [59]

Answer:

A

Step-by-step explanation:

follow the pattern  in its timetables,hope this helps u!

7 0
2 years ago
The perimeter of the square park is 240m, then the side of the square park is _______.
bagirrra123 [75]

Answer:

side of square = 60 m

Step-by-step explanation:

perimeter of square = 4 × side

so,

=》240 = 4 × side

=》240 / 4 = side

=》 60 m = each side of the square .

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7 0
2 years ago
Need help with linear approximation
Dmitrij [34]
Consider a function f(x), the linear approximation L(x) of f(x) is given by

L(x)=f(a)+(x-a)f'(a)

Given the quantity: \frac{1}{203}

We approximate the quantity using the function f(x)= \frac{1}{x}, where x = 203.

We choose a = 200, thus the linear approximation is given as follows:

L(203)=f(200)+(203-200)f'(200) \\  \\ = \frac{1}{200} - \frac{3}{200^2} = \frac{200-3}{200^2} = \frac{197}{40,000} =0.004925
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2 years ago
Find the volume of the portion of the solid sphere rholess than or equals5 that lies between the cones variant phiequalsStartFra
BlackZzzverrR [31]

Answer:

Volume = (250π√3)/3 unit³

Step-by-step explanation:

The shape is a solid sphere

Where rho = ρ

ρ ≤ 5

Where Phi = φ

φ = π/6 (lower limit)

φ = 5π/6 (upper limit)

Note 1π rad = 180°

We would apply triple integrals and spherical coordinates to solve for the volume of a solid sphere.

See attachment for details

From calculations,

The volume of the portion of solid sphere = Volume = (250π√3)/3 unit³

5 0
2 years ago
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