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GREYUIT [131]
3 years ago
5

Y=1/2x+4 I need to help solving this!! :)

Mathematics
2 answers:
sweet [91]3 years ago
7 0

Answer: so the 4 is the y intercept and thats where u plot one point (0,4) then 1/2x is the slope so its rise/run so it goes up 1 and goes over 2 squares. so like the second point you would plot is (2,5) then you draw the line

grandymaker [24]3 years ago
7 0

Answer:

put the point on 4 going up but dont go over so just put one point on the 4 on the y axis. And then put another point over 2 and then up 5 but make sure you start in the middle. ask me if you need help

Step-by-step explanation:

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Answer:

a. 5%

b. 55%

c. 70%

Step-by-step explanation:

a. The probability of customer wanting both services (P(O&T)) is:

P(O)+P(T)+P(O\&T) = 0.75\\P(O)+P(O\&T) =0.60\\P(T)+P(O\&T) = 0.20\\P(O)+P(T)+P(O\&T) -[P(O)+P(T)+2P(O\&T)]=0.75 -(0.60-0.20)\\P(O\&T)=0.05=5\%

The probability is 5%

b. The probability that the customer will need an oil change, but not a tire rotation (P(O)) is :

P(O)+P(O\&T) = 0.60\\P(O\&T) = 0.05\\P(O) =0.60-0.05 = 0.55 = 55\%

The probability is 55%

c. The probability that the customer will want exactly one of these two services (P(O)+P(T)) is:

P(O)+P(T)+P(O\&T) = 0.75\\P(O\&T) = 0.05\\P(O)+P(T) =0.75-0.05 = 0.70 = 70\%

The probability is 70%

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