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nydimaria [60]
3 years ago
10

PLS HELP ITS URGENT!!!!!!!!!!!!!!!!! Pizza Guy pizza delivery time for a pizza is approximately normally distributed with a mean

of 22 minutes and a standard deviation of 5. Pizza Guy guarantees delivery within 30 minutes or the pizza is free. What percent of customers will get a free pizza?
Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

I'm not positive since it's been a couple months but the answer is 95%

Step-by-step explanation:

30-22/5 = 1.6 with a z score of 0.9452 with a percentage of 94.52%

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Answer:

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Step-by-step explanation:

10  -  4 =  6 divided by 1.25 = 4

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Answer:

Supercalifragilisticexpialidocious is 34 letters long.

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3 0
3 years ago
D. Use the model from part (a) to approximate the mileage of an automobile that costs $15,500.
ahrayia [7]

The linear regression equation which models the data, obtained using technology such as a linear regression calculator is :

  • y = - 0.18x + 19716.81

  • <em>x</em><em> </em><em>=</em><em> </em><em>mileage</em><em> </em><em>;</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>price</em>

The predicted or approximate values obtained using the model are given below :

A.)<em> </em>

<u>Approximate</u><u> </u><u>mileage</u><u> </u><u>for</u><u> </u><u>an</u><u> </u><u>automobile</u><u> </u><u>that costs</u><u> </u><u>$</u><u>15500</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>calculated</u><u> </u><u>thus</u><u> </u><u>:</u>

  • <em>y</em><em> </em><em>=</em><em> </em><em>15500</em>

Substituting <em>y</em><em> </em><em>=</em><em> </em><em>15500</em><em> </em><em>into</em><em> </em><em>the</em><em> </em><em>equation</em><em> </em><em>:</em>

15500 = -0.18x + 19716.81

0.18x = 19716.81 - 15500

0.18x = 4216.81

x = 4216.81 / 0.18

x = 23,426.722

Hence, mileage is about 23427 miles.

B.)

<u>Approximate</u><u> </u><u>the</u><u> </u><u>predicted</u><u> </u><u>price</u><u> </u><u>of</u><u> </u><u>an</u><u> </u><u>automobile</u><u> </u><u>with</u><u> </u><u>6000</u><u> </u><u>miles</u><u> </u><u>:</u>

  • <em>x</em><em> </em><em>=</em><em> </em><em>6000</em><em> </em><em>miles</em><em> </em>

Substituting <em>x</em><em> </em><em>=</em><em> </em><em>6000</em><em> </em><em>into</em><em> </em><em>the</em><em> </em><em>equation</em><em> </em><em>:</em>

y = -0.18x + 19716.81

y = -0.18(6000) + 19716.81

y = 18636.81

Hence, the price of the car would be about $18637.

Learn more :brainly.com/question/18405415

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Vincent needs 30 inches of wood to make 1 shelf how many feet of wood dose Vincent need to make 6 shelves
babymother [125]

Answer:

Step-by-step explanation:

We can assume each shelve takes the same amount of wood to make. So if 30 inches are needed for one shelve, 30*6 inches of wood will be needed for 6 shelves. 30*6=180, so 180 inches of wood is needed to make 6 shelves. However, the question asks for the final answer to be in feet. There are 12 inches in a foot so we can divide by 12 to find the amount of feet needed to make 6 shelves. 180/12=15. Therefore, 15 feet are needed to make 6 shelves.

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