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marysya [2.9K]
3 years ago
8

Let X represent the time it takes from when someone enters the line for a roller coaster until they exit on the other side. Cons

ider the probability model defined by the cumulative distribution function given below.0 x < 3F(x) = (x-3)/1.13 3 < x < 4.131 x > 4.13What is E(X)? Give your answer to three decimal places.What is the value c such that P(X < c) = 0.75? Give your answer to four decimal places.What is the probability that X falls within 0.28 minutes of its mean? Give your answer to four decimal places.

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Answer:

Step-by-step explanation:

The detailed step by step calculation using the probability density function approach is as shown in the attached file.

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jeka57 [31]

Answer:

<h2>           \bold{a_n=5n-2}</h2>

Step-by-step explanation:

a_n=a_1+d(n-1)\\\\a_1=3\\d=5\\\\a_n=3+5(n-1)\\a_n=3+5n - 5\\a_n=5n-2

6 0
2 years ago
This morning, Raina's car had 18.18 gallons of fuel. Now, 5.7 gallons are left. How much fuel did Raina use?
guapka [62]

Answer:

12.48 gallons

Step-by-step explanation:

Subtract the starting amount from the ending amount

18.18 - 5.7

and get 12.48

3 0
3 years ago
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Name the three dimensional figure that is formed by folding the net
Alexxandr [17]

Answer:

Cylinder

Step-by-step explanation:

The object has two parallel, circular, flat ends and straight sides, so it is a cylinder.

Cubes, rectangles and prisms have only flat sides.

5 0
3 years ago
Read 2 more answers
1.
IrinaK [193]
You can evaluate / find

<span>8.64 x 10^6
-----------------
4.32 x 10^3

by first dividing 8.64 by 4.32 and then dividing 10^6 by 10^3:

2*10^3 (answer)

Please choose the question you want help with next, and post it separately.

</span>
7 0
3 years ago
In the diagram, how many circles are there for each square?
notsponge [240]
The answer would be be B)2. The ratio of circles to squares is 2 to 1
5 0
3 years ago
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