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3 years ago

7

Gregory predicts that 310 people will attend the spring play. There was an actual of 220 people who attended the spring play.wha

t is the percent error? Round to the nearest whole percent

1 answer:

tia_tia [17]3 years ago

8 0

The percent error is 29%. I posted the equation for percent error on your other question.

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Taya2010 [7]

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3 years ago

The variable y varies directly with the variable x.

Tomtit [17]

Answer:

I believe it is 21

Step-by-step explanation:

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3 years ago

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Diagram this statement (on a piece of paper. dont type it on brainly). Then answer the questions that follow.

Anna [14]

Answer:

a) 30%

b) 280

Step-by-step explanation:

a) 3/10 = 30/100 = 30%

b) 30% = 0.3

0.3 × 400 = 120

400 - 120 = 280

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3 years ago

3+(-2) is_units from 3, in ___ the<br> direction.

WARRIOR [948]

2, left direction (or negative if that’s an option)

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3 years ago

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In a normal distribution, what is the probability that a data value will fall below the

Serga [27]

Answer:

A 99.96%

Step-by-step explanation:

The z score shows by how many standard deviations the raw score is above or below the mean. The z score is positive if the raw score is above the mean while the z score is negative if the raw score is below the mean. The z score is given by:

$z=\frac{x-\mu}{\sigma} \\\\where\ z=z-score,\ x=raw\ score,\mu=mean, \ \sigma=standard\ deviation\\\\For\ a\ sample\ size(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

The probability can be gotten from the normal distribution table. Therefore from the normal table:

P(z < 3.37) = 0.9996 = 99.96%

8 0

3 years ago