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s344n2d4d5 [400]
3 years ago
14

6) x+ 1 - 4 3х +6 Simplify

Mathematics
1 answer:
Anni [7]3 years ago
5 0

Answer:

9X +3

Step-by-step explanation:

6X+ 3X =9X

1-4+6=3

(1-4=-3)

9X+3

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Step-by-step explanation:

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Let X denote the number of bars of service on your cell phone whenever you are at an intersection with the following probabiliti
ZanzabumX [31]

Answer:

a. P(2 \leq X \leq 3) = 0.5

b. P(X \geq 1) = 0.9

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Step-by-step explanation:

We are given the following distribution:

P(X = 0) = 0.1

P(X = 1) = 0.15

P(X = 2) = 0.25

P(X = 3) = 0.25

P(X = 4) = 0.15

P(X = 5) = 0.1

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P(2 \leq X \leq 3) = P(X = 2) + P(X = 3) = 0.25 + 0.25 = 0.5

Thus:

P(2 \leq X \leq 3) = 0.5

b. At least one bar

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Thus:

P(X \geq 1) = 0.9

c. Fewer than two bars

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Thus:

P(X < 2) = 0.25

d. More than three bars

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Thus:

P(X > 3) = 0.25

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3 years ago
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half- an hour

Step-by-step explanation:


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