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3 years ago

How are the independent and dependent variables related

Mathematics

2 answers:

Korolek [52]3 years ago

6 0

They both are valuable components whilst conducting an experiment.

Step2247 [10]3 years ago

6 0

Well dependent variables are example cost and independent would be time.

Where time would affect the cost of something:
For example if u went to the store they would usually give clearance after a period of time due to how popular the item is. As time passes by the items cost would decrease because of new items coming in!

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An event sold $608 worth of tickets. Adult tickets cost $11 and children's tickets cost $6. If 68 tickets were sold, how many we

olga_2 [115]

Alright so what I got is 54 adults and 1 kid

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3 years ago

Read 2 more answers

Help please I don’t understand.

Leto [7]

Draw the parabola and see if the parabola matches the main curve

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2 years ago

Let X denote the temperature (degree C) and let Y denote thetime in minutes that it takes for the diesel engine on anautomobile

BlackZzzverrR [31]

Answer:

Step-by-step explanation:

Given $f_{XY} (x,y) = c(4x + 2y +1) ; 0 < x < 40\,and\, 0 < y$

we know that $\int\limits^\infty_{-\infty}\int\limits^\infty_{-\infty} {f(x,y)} \, dxdy=1$

therefore $\int\limits^{40}_{-0}\int\limits^2_{0} {c(4x+2y+1)} \, dxdy=1$

on integrating we get

c=(1/6640)

$P(X>20, Y>=1)=\int\limits^{40}_{20}\int\limits^2_{1} {\frca{1}{6640}(4x+2y+1)} \, dxdy$

on doing the integration we get

=0.37349

marginal density of X is

$f(x)=\int\limits^2_{0} {\frca{1}{6640}(4x+2y+1)} \, dy$

on doing integration we get

f(x)=(4x+3)/3320 ; 0<x<40

marginal density of Y is

$f(y)=\int\limits^{40}_{0} {\frca{1}{6640}(4x+2y+1)} \, dx$

on doing integration we get

$f(y)=\frac{(y+40.5)}{83}$

$P(01)=\int\limits^{40}_{0}\int\limits^2_{1} {\frca{1}{6640}(4x+2y+1)} \, dxdy$

solve the above integration we get the answer

$P(X>20, 0$

solve the above integration we get the answer

Two variables are said to be independent if there jointprobability density function is equal to the product of theirmarginal density functions.

we know f(x,y)

In the (c) bit we got f(x) and f(y)

f(x,y)cramster-equation-2006112927536330036287f(x).f(y)

therefore X and Y are not independent

4 0

3 years ago

Bruce turner pays $124.30 per month for his group medical coverage. His employer pays 65% of the cost. How much is the annual pr

irakobra [83]

Answer: $2,461

Step-by-step explanation:

$124.30 X 65% = $80.79 (Rounded $80.80)

$124.30 + $80.80 = $205.10 X 12 (Months) = $2,461

5 0

3 years ago

I can't figure this one out please help!

Helen [10]

Answer:

Step-by-step explanation:

The first answer is that the sale price is 25% cheaper its a dumb question.

The second answer is the 2nd option because it states that sale prices are 30% of the original. For example if you had a $100 item it would cost you 30% of that original price. But if you went to the first store it would cost you $70 dollars because its 30% off of the original price.

3 0

3 years ago