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Serga [27]
3 years ago
11

Pls answer this ASAP! 

Mathematics
2 answers:
ki77a [65]3 years ago
8 0

Answer:

a

Step-by-step explanation:

Alika [10]3 years ago
3 0
B. 2.9, square root of 7, 1.9, square root of 2
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Errors in an experimental transmission channel are found when thetransmission is checked by a certifier that detects missing pul
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Answer:

a) P(X \leq 4)

And we can find this using the cumulative distribution function:

P(X \leq 4) = F(4) = 0.9

b) P(X > 7)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >7) =1-P(X\leq 7)= 1- F(7) = 1-1 = 0

c) P(X \leq 5)

And we can find this using the cumulative distribution function:

P(X \leq 5) = F(5) = 0.9

d) P(X > 4)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >4) =1-P(X\leq 4)= 1- F(4) = 1-0.9 = 0.1

e) P(X \leq 2)

And we can find this using the cumulative distribution function:

P(X \leq 2) = F(2) = 0.7

Step-by-step explanation:

For this case we have the following cumulative distribution function:

F(x) = 0 , x

F(x) = 0.7, 1 \leq x

F(x) = 0.9, 4 \leq x

F(x) = 1, x \geq 7

Part a

We want this probability:

P(X \leq 4)

And we can find this using the cumulative distribution function:

P(X \leq 4) = F(4) = 0.9

Part b

We want this probability:

P(X > 7)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >7) =1-P(X\leq 7)= 1- F(7) = 1-1 = 0

Part c

We want this probability:

P(X \leq 5)

And we can find this using the cumulative distribution function:

P(X \leq 5) = F(5) = 0.9

Part d

We want this probability:

P(X > 4)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >4) =1-P(X\leq 4)= 1- F(4) = 1-0.9 = 0.1

Part e

We want this probability:

P(X \leq 2)

And we can find this using the cumulative distribution function:

P(X \leq 2) = F(2) = 0.7

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