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suter [353]
3 years ago
12

Hi help me 20 points!

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0

Answer:

I'm pretty sure its D

Step-by-step explanation:

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A car painting company has determined that the painting time of cars is uniformly distributed between 25 and 105 minutes. What i
Masteriza [31]

Answer:

P=\frac{5}{16}

Step-by-step explanation:

For a uniform distribution we have to:

P (X\leq x) =\frac{x-a}{b-a}   for x∈ (a, b)

P (X\leq x) =0}   for x\leq a

P (X\leq x) =1}   for x\geq b

In this case we have to:

a = 25 min and b = 105 min

We want to find:

P (40 \leq X \leq 65)

Then

P (x_1 \leq X \leq x_2) = P(X \leq x_2) - P(X \leq x_1)

P (x_1 \leq X \leq x_2)= \frac{x_2 -x_1}{b-a}

In this case:

x_2 = 65\\\\x_1=40

Therefore:

P (40 \leq X \leq 65)=\frac{65 -40}{105-25}

P (40 \leq X \leq 65)=\frac{25}{80}

P (40 \leq X \leq 65)=\frac{5}{16}

4 0
3 years ago
PLEASE help me with this question ASAP!!!!
Ierofanga [76]

Step-by-step explanation:

I believe the answer is

The fuction roughly matches the data

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22 in.

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IN MY BRAIN

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I will literally give you brianlist
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a is the correct answer
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