3 years ago

Brainlist points brainly brainly

Mathematics

2 answers:

Yanka [14]3 years ago

7 0

Answer:

Step-by-step explanation:

Anton [14]3 years ago

5 0

Answer:

Step-by-step explanation:

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To qualify for a police academy, applicants are given a test of physical fitness. The scores are normally distributed with a mea

djyliett [7]

Answer:

X₀ = 71.65

Step-by-step explanation:

given,

mean (μ ) = 64

standard deviation (σ) = 9

σ² = 81

selected candidate are top 20 % candidate

P( X > X₀) = 0.2

$P( Z > \dfrac{X_0-\mu}{\sigma}) = 0.2$

$P( Z > \dfrac{X_0-64}{9})= 0.2$

P( Z > Z₀) = 0.2

$Z_0 = 0.85 = \dfrac{X_0-64}{9}$

X₀ = 71.65

Hence, the cut off score is equal to X₀ = 71.65

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3 years ago

A museum had 275,608 visitors last year what is the number rounded to the nearest thousand

podryga [215]

It would be 276,000 since 5,608 would round to 6,000

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Rational numbers are numbers that can be written as the ______ of _____. What are the blanks?

BARSIC [14]

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rational numbers are numbers that can be written as the ratio of two integers

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List all factors of 200

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