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frutty [35]
3 years ago
6

Prac

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

Yes a number with 3 digits is usually bigger than a number with 2 digits but sometimes if it is a decimal than the decimal can be bigger

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nstead of power posing in horses, you are interested in whether music can induce a mere exposure effect at short timescales. You
ludmilkaskok [199]

Answer:

Probability that effect is real = 0.97

Step-by-step explanation:

Given data :

ratio of true to false = 0.7

Alpha level = 0.05

power of study = 0.8

<u>Determine the probability that this effect is real </u>

From the question we can deduce : 70% of events are real , 30% of events are not real

% of real effect = 0.8 * 70% = 56%

% of false effect = alpha level * percentage of unreal events

                          =  0.05 * 30% = 1.5%

summation of effects = 56 + 1.5 = 57.5%

Hence probability that the effect is real

= 56% / 57.5%

= 0.9739 ≈ 0.97

4 0
3 years ago
( 7x + 30) find x<br> Someone help me please
timofeeve [1]

Step-by-step explanation:

( 7x + 30)

I think it's incomplete question plz check out

5 0
3 years ago
If f(x) = 3x + 2 and g(x) = x^2+ 1, which expression is equivalent to (fºg)(x)?​
olga_2 [115]

Answer:

3x^2+5

Step-by-step explanation:

f(x) = 3x + 2 ; g(x) = x^2+ 1

(fºg)(x) = 3(x^2+ 1)+2

(fºg)(x) = 3x^2+3+2

(fºg)(x) = 3x^2+5

3 0
3 years ago
The volume of a cube can be found using the equation V = s^3, where V is the volume and s is the measure of one side of the cube
Nina [5.8K]
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Abby goes to the gap and buys 3 pairs of pants and shirts for $140. Emely buys 2 pairs of the same pants and 4 of the same shirt
denis23 [38]
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4 years ago
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