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krek1111 [17]
3 years ago
15

Mei does 6 problems in 18 minutes. How many can she complete in 12 minutes

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
5 0
Do cross multiplication

  <u>6</u>  =  <u>x</u>
 18    12

Now cross multiply

(6)(12) = (18)(x)

       72 = 18x

Divide both sides by 18
     
    
     <u>72</u>  = <u>18x</u>
     18      18

      4   = x

So tMei can complete 4 problems in 12 minutes.

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. Only 2% of a large population of 100-ohm gold-band resistors have resistances that exceed 105 ohms. a. For samples of size 100
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Using the information given above, the sampling distribution of the sample proportion of 100-ohm gold-band is 2.

  • <em>Sampling distribution of proportion, P = 2% = 0.02 </em>

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<u>The sampling distribution of the sample proportion can be calculated thus</u>:

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Distribution of sample proportion = (100 × 0.02) = 2

Therefore, there is a probability that only 2 of the samples will have resistances exceeding 105 ohms.

Learn more : brainly.com/question/18405415

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The floor of a concert venue is 100 3/4 feet by 75 1/2 feet. What is the area of the floor
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