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irina [24]
3 years ago
15

What is the definition of 'distributive property'?

Mathematics
2 answers:
Mademuasel [1]3 years ago
8 0

This is what my math teacher had me write down!

Crazy boy [7]3 years ago
8 0

answer : distribute property lets you multiply a sum by multiplying each addend separately and then add the products.

example : 5(6+2)= 5×6 +5×2

= 30. + 10

=40

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5 0
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lyudmila [28]

Answer:

The answer is below

Step-by-step explanation:

a) For a normal model the sample size has to be equal or greater than 30 so that it can be a normal distribution.

b) Given that:

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z=\frac{x-\mu}{\sigma} \\For\ a\ sample\ size(n)\\z=\frac{x-\mu}{\sigma/\sqrt{n} }

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z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\ z=\frac{10-11.2}{4.8/\sqrt{45} }= -1.68

Therefore from the normal distribution table, P(x < 10) = P(z < -1.68) =  0.0465

7 0
3 years ago
if you save 75$ every week and your friend saves 50$ a week, after how many weeks will both of you have he same amount of money
s2008m [1.1K]
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