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3 years ago

PLEASE I REALLY NEED YOUR HELP.

Mathematics

1 answer:

Maksim231197 [3]3 years ago

5 0

Malia : y = 8.1x

Malia = 8.10 hours worked

Bill : if he earned 144.90 for working 18 hrs.....144.90/18 = 8.05 per hr worked.

so Malia makes 5 cents more per hours worked.

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Answer:

Step-by-step explanation:

Forecast for period 1 is 5

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2 years ago

In Mr. Smith's 7th Hour

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binomial(16 + 7, 16) 2^(-(16 + 7)) = ((16 + 7)!)/(16! 7! 2^(16 + 7)) = 245157/8388608 ≈ 0.02922 ≈ 1/34.22

(assuming children are independent and male and female are equally likely)

| probability

less than 16 boys | 0.9534

16 or less boys | 0.9827

more than 16 boys | 0.01734

16 or more boys | 0.04657

fraction of boys | 16/(16 + 7) ≈ 0.695652

fraction of girls | 7/(16 + 7) ≈ 0.304348

expected value | 11.5

standard deviation | 2.398

variance | 5.75

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