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sesenic [268]
3 years ago
10

In a ___________, a random variable can take any value in a specified range.

Mathematics
1 answer:
goldenfox [79]3 years ago
5 0
The answer is "c. continuous probability distribution."

"Continuous" means it is a subset of the real numbers set: it can take any value in a specified range. For example, if you break at random a stick with a given length of 12 cm, and then measure the shortest piece, you can get any value in the range (0 cm, 6 cm). This is a continuous random variable.

A random variable is said to be "discrete" if it can only take values from a finite (or countably infinite) set. For example, if you roll a dice, you can get only 1, 2, ..., 6. But you cannot get any vaue in the range [1, 6], because the value must be an integer (e.g., you cannot get the vaue 2.5). This is a discrete random variable.

A somewhat technical explanation:

- A random variable is a mapping from a event space to a number set: it associates a number (a value of the variable) with every event.

- The random variable is said to be continuous if it maps events to numbers from a subset of the set of real numbers.

- The probability distributions corresponding to continuous random variables are called continuous probability distributions.
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koban [17]
If B went from (1, 5) to (-3, 2), that means it was shifted down 4 units and left 3 units. So for each of the other points, we subtract 4 from the x value, and subtract 3 from the y value. Point A is (-3, -4), moving this by subtracting 4 from x and 3 from y, we get A'(-7, -7). Point C was (4, 1), subtract 4 and 3, leaving C'(0, -2).
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3 years ago
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Simplify the polynomial then evaluate for x=-1 3x^2-4+2x-1+x^2
yuradex [85]

Answer:

-3

Step-by-step explanation:

Simplified polynomial: 4x^2 + 2x - 5

Plug in -1: 4(-1)^2 + 2(-1) - 5

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2 years ago
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Travka [436]

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y = -x + 7

Step-by-step explanation:

The slope formula is as follows:

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So, in order to get x + y = 7 into slope intercept form we have to do the following things:

  1. Subtract x from both sides

If you do this step then your equation should look like this:

y = -x + 7

<em>Hope this helps!!</em>

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What is the value of x?
maxonik [38]

Answer:

c

Step-by-step explanation:

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3 years ago
On, average the front door of a home is opened 28 times each day.The williams family opened the front door 17 times more than th
Ludmilka [50]

Answer:

1395 times.

Step-by-step explanation:

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So in October they opened it 31 * 45 = 1395 times.

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