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Tanzania [10]
3 years ago
14

A population of values has a normal distribution with μ= 180.1

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0

A sample of size <em>n</em> taken from a normally distributed population with mean <em>µ</em> and standard deviation <em>σ</em> has a sample mean of <em>µ</em> and standard deviation of <em>σ</em>/√<em>n</em>.

So the sample mean would still be 180.1, while the sample standard deviation would be 100/√94 ≈ 10.31.

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6-5 = 1

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2 years ago
In the equation, f (x)=  2x − 4 (x + 1), what is the value of f (−14)?
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Step-by-step explanation:

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3 years ago
Please help and explain
Setler79 [48]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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PLEASE HELP ME ANSWER THIS!! THANK YOU
jeka94

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1.  There are 609 more fiction books than non-fiction books in the library

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4 0
3 years ago
Question 6 (5 points)
Assoli18 [71]

Answer:

(-6,4)

Step-by-step explanation:

Solve the following system:

{4 y + 5 x = -14 | (equation 1)

2 y + x = 2 | (equation 2)

Subtract 1/5 × (equation 1) from equation 2:

{5 x + 4 y = -14 | (equation 1)

0 x+(6 y)/5 = 24/5 | (equation 2)

Multiply equation 2 by 5/6:

{5 x + 4 y = -14 | (equation 1)

0 x+y = 4 | (equation 2)

Subtract 4 × (equation 2) from equation 1:

{5 x+0 y = -30 | (equation 1)

0 x+y = 4 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -6 | (equation 1)

0 x+y = 4 | (equation 2)

Collect results:

Answer: {x = -6 , y = 4

4 0
3 years ago
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