What is the constant of proportionality in the table below?

Mathematics

1 answer:

Varvara68 [4.7K]3 years ago

6 0

Its B because i divided 38.25 by 3 and it gave me and answer of 12.75 per hour

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What is the difference between a linear pair and angles on a straight line

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Wally opened a savings account with a deposit of $100. He plans

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It is possible to score higher than 1600 on the combined mathematics and reading portions of the SAT, but scores 1600 and above

Citrus2011 [14]

Answer:

The proportion of scores reported as 1600 is 0.0032

Step-by-step explanation:

Let X be the score for 1 random person in SAT combining maths and reading. X has distribution approximately N(μ = 1011,σ = 216).

In order to make computations, we standarize X to obtain a random variable W with distribution approximately N(0,1)

$W = \frac{X-\mu}{\sigma} = \frac{X-1011}{216} \simeq N(0,1)$

The values of the cummulative distribution function of the standard Normal random variable, lets denote it $\phi$ are tabulated, you can find those values in the attached file. Now, we are ready to compute the probability of X being bigger than 1600