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babunello [35]
2 years ago
12

Let s be the annual sales​ (in millions) for an electronic device. The value of s is 13.9 for 2009. What does sequals13.9 mean i

n this​ situation?
Mathematics
1 answer:
jok3333 [9.3K]2 years ago
4 0
S would be the annual sales of the electronic device. In this case, that number is in the millions.

Therefore, our 13.9 becomes 13.9 millions.
Or written out, it would be: 13,900,000
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Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what
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Question:

Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what he found.

Type of Crust Number Sold

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Based on this information, of the next  4500 pizzas he sells, how many should he expect to be thick crust? Round your answer to the nearest whole number. Do not round any intermediate calculations.

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Step-by-step explanation:

Given

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Required

Expected number of thick crust for the next 4500

For last week data, calculate the proportion of thick crust sold

\hat p = \frac{Thick\ crust}{Total}

\hat p = \frac{245}{312+245+179+304}

\hat p = \frac{245}{1040}

\hat p = 0.235577

For the next 4500;

n = 4500

The expected number of thick crust is (E(x)):

E(x) = \hat p * n

E(x) = 0.235577 * 4500

E(x) = 1060.0965

E(x) \approx 1060

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