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castortr0y [4]
3 years ago
9

In repeated samples, approximately 99% of all differences in sample means will fall within the bounds of the interval already co

mputed.
a. True
b. False
Mathematics
1 answer:
Inga [223]3 years ago
5 0

Answer:

a) True

Step-by-step explanation:

Repeated samples are a type of samples that are used to determine the features or characteristics or a given set of data.

In repeated samples, statistical techniques are applied whereby two samples that have similar characteristics are tested or analysed under different conditions.

Repeated samples can also be called matched or paired samples.

In repeated samples , we have what we refer to as confidence intervals. These are intervals whereby the true and correct value of certain parameters such as mean, the standard deviation of a given data or distribution is determined. We have confidence interval levels of 90%, 95% and 99%.

In repeated samples, approximately 99% of all differences in sample means will fall within the bounds of the interval already computed.

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Solve the equation P=4s for s
Bess [88]
Solve for s.

p=4s

Flip the equation.

4s=p

Divide both sides by 4.

4s/4=p/4

s=1/4p

6 0
3 years ago
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Would i add both of the coordinate numbers in this case?
fredd [130]
I Think You Plug in the X And Y Axis And You Will Get It
8 0
4 years ago
(xy^2+x)dx + ( yx^2+y )dy =0
alexira [117]

Answer:

(y^2+1)(x^2+1)=k

Step-by-step explanation:

It looks like it is possibly separatable.

Let's try.

Factor the x out on first term and factor the y out on second term:

x(y^2+1)dx+y(x^2+1)dy=0

Subtracting y(x^2+1)dy on both sides:

x(y^2+1)dx=-y(x^2+1)dy

Divide both sides by (y^2+1)(x^2+1):

x/(x^+2+1)dx=-y/(y^2+1)dy

Integrate both sides..

Use substitution u=x^2+1 and v=y^2+1...so du= 2x dx and dv=2y dy.

.5du/u=-.5dv/v

.5ln|u|=-.5ln|v|+c

Multiply both sides by 2:

ln|u|=-ln|v|+c

Plug in our substitutions :

ln|x^2+1|=-ln|y^2+1|+c

Absolute values unnecessary since insides are positive always.... also -ln(y^2+1)=ln(1/(y^2+1))

e^ on both sides:

x^2+1=k(1/y^2+1)

(y^2+1)(x^2+1)=k

6 0
3 years ago
A line contains points M(1, 3) and N(5, 0). What is the slope of MN?
rosijanka [135]

Answer:

the answer is -\frac{3}{4}

Step-by-step explanation:

to get the answer, just do \frac{y^2-y^1}{x^2-x^1}

plug in the values

\frac{0-3}{5-1}=\frac{-3}{4} =-\frac{3}{4}

That's how you get that.

8 0
2 years ago
A bag contains 10 red marbles, 7 green marbles. and 8 striped marbles. A marble is picked, then put back into bag. Find P(green
SIZIF [17.4K]

G = number of green = 7

S = number of striped = 8

T = number total = 10+7+8 = 25

probability of picking green = P(G) = G/T = 7/25

probability of picking striped = P(S) = S/T = 8/25

P(green and striped) = P(G)*P(S)  ... events are independent

P(green and striped) = (7/25)*(8/25)

P(green and striped) = (7*8)/(25*25)

P(green and striped) = 56/625

P(green and striped) = 0.0896

--------------------------------

In summary, the answer as a fraction is 56/625

In decimal form, the answer is 0.0896

The value 0.0896 can be converted to percent form to get 8.96%

8 0
3 years ago
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