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3 years ago

A car dealership buys a car for $12,500 and sells it for $15,750. What is the percent markup( percent increase)

Mathematics

1 answer:

Natalka [10]3 years ago

8 0

Answer:

About 1.26%

Step-by-step explanation:

Divide 15,750 by 12,500 to find your answer.

Hope this helped!

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A simple random sample of size n equals 200 individuals who are currently employed is asked if they work at home at least once p

____ [38]

Answer: 99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

Step-by-step explanation:

step 1:-

Given sample size n=200

of the 200 employed individuals surveyed 41 responded that they did work at home at least once per week

Population proportion of employed individuals who work at home at least once per week P = $\frac{x}{n} =\frac{41}{200} =0.205$

Q=1-P= 1-0.205 = 0.705

step 2:-

Now $\sqrt{\frac{P Q}{n} } =\sqrt{\frac{(0.205)(0.705)}{200} }$

=0.0015

step 3:-

Confidence intervals

using formula

$(P - Z_∝} \sqrt{\frac{P Q}{n},} (P + Z_∝} \sqrt{\frac{P Q}{n},$

$(0.205-2.58(0.0015),0.205+2.58(0.0015)\\0.20113,0.20887$

=0.20113,0.20887[/tex]

conclusion:-

99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

4 0

3 years ago

Find the missing side lengths. Leave your answers as radicals in simplest form. Show your work to support your answer

kotegsom [21]

Answer

x=2 and y=2√2

Step-by-step explanation:

$\sin( \alpha ) = \frac{2 \sqrt{2} }{x } \\ x = \frac{2 \sqrt{2} }{ \sin(45) } \\ x = 4 \\ {x}^{2} = {y}^{2} + 2 \sqrt{2} \\ {4}^{2} = {y}^{2} + (2 \sqrt{2 \: )}^{2} \\ 16 = {y}^{2} + 8 \\ 16 - 8 = {y}^{2} \\ y = \sqrt{8} \\ y = 2 \sqrt{2}$

3 0

2 years ago

The sum of 1/11 and 1/15 is closest to 0 1 or 2

vova2212 [387]

It is closer 1/11 is closer to 2 and 01 because it's smaller , 1/15 is also close but not as close

3 0

3 years ago

Order from least to greatest 7.2 7.04 7.413 7.134

vfiekz [6]

Answer:

7.04, 7.134 ,7.2, 7.413

Step-by-step explanation:

4 0

2 years ago

amina bought an air cooler for a AED 3300 including VAT of 5% find the price of the air cooler before VAT was added

wlad13 [49]

Answer:

$3142.86

Step-by-step explanation:

3300 --> 105%

x --> 100%

criss cross method

x=330000/105

x=3142.86

7 0

3 years ago