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denis23 [38]
3 years ago
5

Let x be normally distributed with mean μ = 133 and standard deviation σ = 23. use table 1.

Mathematics
1 answer:
Svetlanka [38]3 years ago
8 0
A) z value =  (x - π) / <span>σ   = 100 - 133 /  23  =  -1.43
p(<= 100) = 0.0764

</span>
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Instructions: Rewrite the equation in Slope-Intercept Form. y−2=−2/5(x−5)
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The answer is

Final result :

x - 2
Step by step solution :

Step 1 :

1
Simplify —
3
Equation at the end of step 1 :

2 1
((—•x)-7)+((—•x)+5)
3 3
Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Adding a whole to a fraction

Rewrite the whole as a fraction using 3 as the denominator :

5 5 • 3
5 = — = —————
1 3
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

x + 5 • 3 x + 15
————————— = ——————
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Equation at the end of step 2 :

2 (x + 15)
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Step 3 :

2
Simplify —
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Equation at the end of step 3 :

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Step 4 :

Rewriting the whole as an Equivalent Fraction :

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4.2 Adding up the two equivalent fractions

2x - (7 • 3) 2x - 21
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Equation at the end of step 4 :

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————————— + ————————
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Step 5 :

Adding fractions which have a common denominator :

5.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(2x-21) + (x+15) 3x - 6
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Step 6 :

Pulling out like terms :

6.1 Pull out like factors :

3x - 6 = 3 • (x - 2)

Final result :

x - 2

100% Verified!

Hope This Helps! :)
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