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AlladinOne [14]
3 years ago
9

Picture shown !!!!help

Mathematics
1 answer:
nevsk [136]3 years ago
7 0
Answer is B. 1/9

hope it helps
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Help with exercise
GalinKa [24]

The probability that a randomly selected chocolate bar will have between 200 and 220 calories is 3.97%

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

The zscore is given a:

z = (raw score - mean) / standard deviation

mean = 225, standard deviation o = 10.

a) For x = 200:

z = (200 - 225) / 200 = -0.125

For x = 220:

z = (220 - 225) / 200 = -0.025

P(-0.125 < z < -0.025) = P(z < -0.025) - P(z < -0.125) = 0.4880 - 0.4483 = 3.97%

b) For x = 190:

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P(z < -0.025) = P(z < -0.175) = 0.4286

The probability that a randomly selected chocolate bar will have between 200 and 220 calories is 3.97%

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7 0
2 years ago
Please help me on number 3
Mars2501 [29]

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2x + y = 13<br> What y????
hoa [83]

Answer:

2(5) + 3 = 13

Step-by-step explanation:

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Start at 4, add the next odd number. What is the algebraic expression?
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