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3 years ago

Can someone plsss help with this asappp

Mathematics

1 answer:

emmasim [6.3K]3 years ago

8 0

And I Oop ok let me stop

I dont know the answer

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2 years ago

Rachel has 20 marbles in a jar. This table shows the number of blue, black, red, orange, and green marbles. What is the probabil

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3 years ago

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The mean speed of vehicles along a stretch of highway is 56 mph with a standard deviation of 4 mph. You

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The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

<h3>Z score</h3>

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

$z=\frac{x-\mu}{\sigma }$

Where x is raw score, μ is mean, σ is standard deviation

Given that:

σ = 4, μ = 56, hence

for x = 62:

$z=\frac{62-56}{4 } =1.5$

for x = 47:

$z=\frac{47-56}{4 } =-2.25$

for x = 56:

$z=\frac{56-56}{4 } =0$

The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

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2 years ago

6. Jason's class projects are graded on a scale of 250 points.

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3 years ago

Say that the economy is in an expansion, causing wages to increase by six percent. if you previously received a monthly salary o

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From previously received a monthly salary of $1,375.00, Your new monthly salary increase by six percent would be $1,457.50.

What is the percentage?

A percentage is a minimum number or ratio that is measured by a fraction of 100.

You previously received a monthly salary of $1,375.00

Now by economic expansion, causing wages to increase by 6%

Increment of the salary = 6% of 1,375.00

= 6/100 × 1,375

= 0.06 × 1,375

= $82.50

So, your new monthly salary would be = $1,375.00 + $82.50

= $1,457.50

Hence, your new monthly salary would be $1,457.50.

Learn more about percentages;

brainly.com/question/13450942

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1 year ago