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3 years ago

Word problem

Mathematics

2 answers:

otez555 [7]3 years ago

6 0

Use photo math it works really well

Vlad [161]3 years ago

5 0

Answer:

p=2

Step-by-step explanation:

4.05p+14.40=4.50(p+3) < equation

4.05p+14.40=4.50p+13.50 < multiply

14.40=.45p+13.50 < subtract

.9=.45p < subtract

2=p < divide

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I’m another normally distributed test score is 80 and the standard deviations is 10. How common are values in the less than 60?

lord [1]

Answer:

The probability of obtaining a score less than 60 is 2.28%

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Step-by-step explanation:

If the mean μ = 80 and the standard deviation σ = 10, then we need to find the probability that an X value is less than 60.

Then we find

$P(X$

To find this probability we use the Z statistic.

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$P(\frac{X- \mu}{\sigma}$

$P(Z$

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We look for this value in the table for the normal distribution of right queue and we have:

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3 years ago

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Svet_ta [14]

Rounding depending on what the problem is

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