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Novosadov [1.4K]
3 years ago
10

The scores on a test are normally distributed with a mean of 30 and a standard deviation of 6. Find the score that is one dash h

alf a standard deviation above the mean.
Mathematics
1 answer:
Mashcka [7]3 years ago
4 0

Answer:

Step-by-step explanation:

If it is asking for 1.5 standard deviations above the mean, it is 30 +1.5(6)=39

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Solve using the foil method (first, outside, inside, last).

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Your steps using foil should look like:

  1. m * m
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After multiplying, rewrite your expression.

m² - 3m + 5m - 15

The last step to simplifying this expression is to combine like terms, which are -3m + 5m.

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Carl wants to buy a television that costs $500, including taxes. To pay for the television , he will use a payment plan that req
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Answer:

(B) 12%

Step-by-step explanation:

Original cost of the television = $500

Cost using the payment plan = Down payment + EMI's for 6 months

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Hence, the percent increase from the original cost of the television to the cost of television using the payment plan = 12% (C)

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