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azamat
4 years ago
15

1. 2. 3. please help me

Mathematics
1 answer:
Phoenix [80]4 years ago
5 0
Answer: 4.98

Explanation: a1 is the number that is in front of the parenthesis. R is the number inside the parenthesis. N is the number you are trying to find. This is usually located on top of the sigma. Plug this all in a calculator, and you should get this answer.

Hope this helps!!!

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For a continuous random variable X, P(20 ≤ X ≤ 40) = 0.15 and P(X > 40) = 0.16. Calculate the following probabilities. (Leave
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Answer:

For a continuous random variable X, P(20 ≤ X ≤ 40) = 0.15 and P(X > 40) = 0.16.

Step-by-step explanation:

Here, P(x > 40) = 0.16

a). P(x < 40) = 1 - P(x > 40)

                   =  1 - 0.16

                    = 0.84

b). P(x < 20) = 1 - P(x\geq 20)

                    = 1 - {P(20 ≤ X ≤ 40) + P(X > 40)}

                    = 1 - (0.15 + 0.16 )  

                    = 1 - 0.31

                    = 0. 69

c). P(x = 40) = 0; The probability that a continuous variable assume a particular value is zero.

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3 years ago
A line segment has end points R(-2, - 2) and S(4, 1). What are the coordinates of the point that is 2/3 of the way from R to S o
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Answer: (2, 0)

Step-by-step explanation:

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Translate?

Step-by-step explanation:

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