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stira [4]
3 years ago
7

. 15+ b What’s the answer

Mathematics
1 answer:
vitfil [10]3 years ago
5 0
That’s not enough information
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Is the result statistically significant? Explain your answer.What does a mean difference of zero between the two groups indicate
valkas [14]

Answer:

Statistically significant means a result is unlikely due to chance. The p-value is the probability of obtaining the difference we saw from a sample (or a larger one) if there really isn't a difference for all users

8 0
3 years ago
If y=8 when x=3 when x=45
Veronika [31]

Answer:

The value of y for x = 45 is 120 .

Step-by-step explanation:

Given as :

Let The variables y and x are proportional to each others

I,e y ∝ x

Now , y = k x

So, for x = 3  ,  y = 8

I.e  8 = k × 3           ........1

∴  k = \frac{8}{3}

<u>Similarly </u>

for x = 45 , y = k × 3

I.e y = k × 45        ..........2

Now, putting the value of k  in eq 2

So,  y =  \frac{8}{3} × 45

I.e y = \frac{8\times 45}{3}

Or, y = 8 × 15

∴    y = 120

So, for x = 45 , y = 120

Hence The value of y for x = 45 is 120 . Answer

5 0
3 years ago
HELP ASAP <br><br> Convert the measurement.<br> 15 meters =___centimeters
BARSIC [14]

Answer:

1500

Step-by-step explanation:

Hope this helps~ :D

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3 years ago
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Divide divide divide divide
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Answer:

A

Step-by-step explanation:

\frac{20{x}^{2}  {y}^{5} }{12x {y}^{7} }  =  \frac{ 5x}{3 {y}^{2} }

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3 years ago
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Assume that you have a binomial experiment with p=0.4 and a sample size of 100. the expected value for this binomial distributio
UkoKoshka [18]
In Binomial distribution, the expected value or mean is given by,
E(X) = np 
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E(X) = 100×0.4 = 40 
7 0
3 years ago
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