The wait time for your local pizzeria to deliver food is normally distributed with µ = 40 minutes and σ = 3.5. What is the probability the next pizza delivery will take over 47 minutes? 2.15% 13.6% 2.28% 4.56%

Answers

Answer 1

Answer:

2.28%

Step-by-step explanation:

Given that:

µ = 40 minutes ; σ = 3.5.

x = > 47 minutes

Obtain the standardized score, Z

Zscore = (x - μ) / σ

P(x > 47) = (47 - 40) / 3.5

P(x > 47) = 7 / 3.5

P(x > 47) = 2

P(z > 2) = 0.02275

Hence, Probability that next pizza delivery takes over 47 minutes is 0.02275 = 2.275% = 2.28%

Answer 2

Final Answer is: 2.28%

I got it right when I did it! :)


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Answers

3 workers

if 12 workers can do a piece of work in 20 days, then one person can do it in 240 days. 240/16 is 15. That is the number of workers that you need in total to it in 16 days. Since the question ask how many more workers,
15 - 12 = 3 more workers.

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What is the simplified form of the following expression?
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is there a pic u could show?

Step-by-step explanation:

everyday marco puts $0.25 into a jar for savings. one day he counted his money and found he had $91.75. how many days had he been saving?

Answers

Answer:

Marco had been saving for 367 days.

Step-by-step explanation:

If Marco started with no money and put $0.25 into a jar a day, then you just have to divide the total amount of money he has by 0.25.

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Answer:

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Step-by-step explanation:

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I need help with this question
Solve for the value of P: 2/3 P = 4 ​

Answers

P=6
Expiation:
Fractions are just division
So you will use pemdas
You will multiply 3 on both side, which cancels out the 3
4*3=12

Now you have 2p=12
Divide the 2 on both sides

12/2 = 6

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Answer:

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Explanation is in the file

tinyurl.com/wpazsebu

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Step-by-step explanation:

Based on the article, which of the following is MOST important to all economic systems?
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Answers

Answer:

4.25 hours

Step-by-step explanation:

Given that :

Game broadcast time = 2 5/6 hours = 17/6 hours

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2/3 hours of commercials = 17/6 of game broadcast

1 hour of commercials = x hours of game broadcast

Cross multiply ;

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Answers

Answer:

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Step-by-step explanation:

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Answers

Answer:

80

Step-by-step explanation:

If you have 20 lemons then you half them, you can 40 halves, then after you half those haves you get 80.

The lemons are cut to get the total pieces of 80.

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Therefore, the total number of lemons after cutting are 80.

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Answer:

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5. Find BC.
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answers

Answer:

Hey mate.....

Step-by-step explanation:

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Answers

Answer:

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Answers

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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