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3 years ago

12

A phone sells for $250. It is now on sale for 1··5off the original price. April has a coupon for an extra 10% off the sale price

. To the nearest dollar, how much less than the original price will April pay for the phone?

1 answer:

anastassius [24]3 years ago

4 0

It's on a sale for 1 fifth of the original price?

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Given : The distribution is bell shaped , then the distribution must be normal distribution.

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Standard deviation : $\sigma= 1.5$

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$z=\dfrac{x-\mu}{\sigma}$

For x = 13

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For x = 19

$z=\dfrac{19-16}{1.5}=2$

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Solnce55 [7]

Answer:

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