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True [87]
3 years ago
6

in 3000 repetitions of an experiment, a random event occurred in 500 acres. The expected probability of this event is?

Mathematics
1 answer:
scZoUnD [109]3 years ago
6 0
Roughly in the 20% percentile.<span />
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What is 1/2 in a decimal
Orlov [11]
1/2 as a decimal is .5 ( it means .50) hoped it helped
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I dont really understand this??​
jeyben [28]

Answer:

x\geq  -53

Step-by-step explanation:

The inequality includes -53.

The interval notation is \:[-53,\:\infty \:)

\{ x \in \mathbb{R}: x \geq  -53 \}

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Suppose n(x)= 22 and n(y) is 13 what is the maximum number of elements X ∪Y can have ?
Nikolay [14]
The inclusion/exclusion principle states that

|X\cup Y|=|X|+|Y|-|X\cap Y|

That is, the union has as many members as the sum of the number of members of the individual sets, minus the number of elements contained in both sets (to avoid double-counting).

Therefore, |X\cup Y| will have the most elements when the sets X and Y are disjoint, i.e. X\cap Y=\emptyset, which would mean the most we can can in this case would be

|X\cup Y|=|X|+|Y|=22+13=35

(Note that n(X)=|X| denotes the cardinality of the set X.)
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3 years ago
The length of a rectangular picture frame is 4 inches shorter than its width. If the perimeter of the picture frame is 44 inches
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11

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Look at the picture.

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