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Flauer [41]
3 years ago
8

Assume that voltages in a circuit vary between 6 volts and 12 volts, and voltages are spread evenly over the range of possibilit

ies, so that there is a uniform distribution. Find the probability of the given range of voltage levels. In each case, draw a sketch and leave answers as a fraction. a. Greater than 10 volts b. Less than 11 volts c. Between 6.5 volts and 8 volts

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
7 0

Answer:

a) P(X>10) =1-P(X

b) P(X

c) P(6.5

In the figure attached we have the illustration for the probability for each part.

Step-by-step explanation:

For this case we define the random variable X as the voltages in a circuit  and the distribution for X is given by:

X \sim Unif (a= 6, b=12)

Part a

we want this probability:

P(X>10)

We can use the cumulative distirbution function given by:

F(x) = \frac{x-a}{b-a}, a\leq X \leq b

And using the complement rule we have this:

P(X>10) =1-P(X

Part b

We want this probability:

P(X

And using the cumulative distirbution function we got:

P(X

Part c

We want this probability:

P(6.5

And using the cumulative distirbution function we got:

P(6.5

In the figure attached we have the illustration for the probability for each part.

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