cicilee49

24.07.2019 • 

Mathematics

Suppose 20% of all widgets produced at a factory are defective. a simulation is used to model widgets randomly selected and then recorded as defective or working. which simulation best models the scenario? place 50 equally sized pieces of paper in a hat. of the 50, 5 read “defective” and the rest read “working”. place 25 equally sized pieces of paper in a hat. of the 25, 5 read “defective” and the rest read “working”. place 20 equally sized pieces of paper in a hat. of the 20, 5 read “defective” and the rest read “working”. place 100 equally sized pieces of paper in a hat. of the 100, 5 read “defective” and the rest read “working”.

Ответ:

brittanysanders

30.05.2020

Mathematics

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Place 25 equally sized pieces of paper in a hat. Of the 25, 5 read “defective” and the rest read “working”.

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Ответ:

xxchloekai

23.06.2020

Mathematics

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How many fifths are in a pound?

Well, you have to split it into five parts. 

So 100=1 pound

100÷5=20⇒20%

So you change 20% to a decimal

20%⇒20⇒.20 (divide by 100)

You then multiply

There are 16 ounces in a pound

16×.20=3.2ounces(oz)

There are five fifths in a pound or to be more exact, there are five 3.2oz in a pound

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