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aleksandr82 [10.1K]
3 years ago
13

Write an equation of a line with the given slope and y-intercept. m = , b = 2

Mathematics
1 answer:
Vlad [161]3 years ago
3 0

Answer:

<u>Equation</u><u> </u><u>is</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>mx</u><u> </u><u>+</u><u> </u><u>2</u>

Step-by-step explanation:

General equation of line:

{ \boxed{ \bf{y = mx + b}}}

Substitute in considerance of the question:

{ \sf{ y = mx + 2}}

If m is given, substitute for m to the answer.

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Step-by-step explanation:

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Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights
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Answer:

a) 615

b) 715

c) 344

Step-by-step explanation:

According to the Question,

  • Given that,  A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 732 babies born in New York. The mean weight was 3311 grams with a standard deviation of 860 grams

  • Since the distribution is approximately bell-shaped, we can use the normal distribution and calculate the Z scores for each scenario.

Z = (x - mean)/standard deviation

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For x = 4171,  Z = (4171 - 3311)/860 = 1  

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Next, multiply that by the sample size of 732.

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  • For part b, use the same method except x is now 1591.    

Z = (1581 - 3311)/860 = -2    

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Z1 = (3311 - 3311)/860 = 0

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Step-by-step explanation:

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