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3 years ago

1. Write this number as a fraction. (STEPS)

Mathematics

1 answer:

QveST [7]3 years ago

5 0

Step 1: write out the fraction 45 over 0.6222

Step 2: round 0.6222 to 0.62

Step 3: write out your new fraction 0.62 over 45

Step 4: divide 0.62 by 45 and the answer is 0.013

So, 13 people voted for Brianna.

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A manufacturing process makes rods that vary slightly in length but follow a normal distribution with mean length 25 cm and stan

Galina-37 [17]

Answer:

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = 0.1251

Step-by-step explanation:

Step(i):-

Given mean of the Population = 25cm

Given standard deviation of the Population = 2.60

Let 'x' be the random variable in normal distribution

Given x=22

$Z = \frac{x-mean }{S.D} = \frac{22-25}{2.60} = -1.15$

Step(ii):-

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = P( Z<-1.15)

= 1-P(Z>1.15)

= 1-( 0.5+A(1.15)

= 0.5 - A(1.15)

= 0.5 - 0.3749

= 0.1251

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = 0.1251

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3 years ago

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MatroZZZ [7]

Answer:

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Step-by-step explanation:

For one value of x there are two values of y, which contradicts the definition of a function.

Definition of a function:

A function is an equation for which any x that can be plugged into the equation will yield exactly one y out of the equation.

All the other options follow this definition except C

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Step-by-step explanation:

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