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3 years ago

30% of what number is 50? (Round to the nearest whole number)

Mathematics

1 answer:

il63 [147K]3 years ago

5 0

Hey ! i’m pretty sure it’s 166 :)

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4 years ago

Arithmetic, geometric, or neither 16,21,26,31...

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3 years ago

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Twelve more then the product of 5 and a number x? x is 2

yaroslaw [1]

Answer:

Step-by-step explanation:

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3 years ago

Suppose systolic blood pressure of 17 year female is approximately distributed with a mean of 118mmHg and a standard deviation o

Artemon [7]

Answer:

a) 0.383

b) 0.375

Step-by-step explanation:

a) Calculate each z-score.

z = (x − μ) / σ

z₁ = (112 − 118) / 12 = -0.5

z₂ = (124 − 118) / 12 = 0.5

Use a calculator or z-score table to find the probability.

P(-0.5 < Z < 0.5) = 0.6915 − 0.3085 = 0.383

b) 0.383 × 16 ≈ 6. So the expected proportion would be 6/16 = 0.375.

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3 years ago