2 years ago

If 12 Out of 30 people prefer KitKat bars over almond joy,how many people out of 330 would you predict would prefer KitKat.

2 answers:

8 0

The empirical probability that people would prefer KitKat is 12/30, or 0.4.

Then, among 330 people, 0.4(330 people), or 132, would prefer KitKat.

4 0

I would say 112. Because if 12 out of 30 people prefer KitKat bars then 112 would prefer 330

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levacccp [35]

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marta [7]

Answer:

(-8, 2)

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2 years ago

aev [14]

Cost/(number of cassettes) = $14.50/2 = x/15

Multiply by 15 to solve
15*($14.50/2) = x = $108.75

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3 years ago

coldgirl [10]

Answer:

360-63

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3 years ago

N76 [4]

you're absolutely correct.

each system is sold for $2150, that includes cost + markup, namely the markup is the surplus amount otherwise called "profit".

they sold 12 of those, 2150 * 12 = 25800

they had $4824.36 in profits from it, so if we subtract that from the sale price, we'll be left with the cost of all 12 systems

25800 - 4824.36 = 20975.64

that's the cost for all 12 systems sold, how many times does 12 go into 20975.64? 20975.64 ÷ 12 = 1747.97.

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2 years ago