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yaroslaw [1]
2 years ago
10

You are the new manager at Taco bell. A customer told you that they had to wait 13 minutes for their food.You approach your staf

f and they assure you this was unusual, and the customer was just being dramatic. To verify, you decide to conduct a study on average wait time for food ​and find an approximately normal distribution of results. The mean wait time was 7 minutes The standard deviation was 2 minutes.
Label the bell- shaped curve. (2 pts)


On an average day you serve 300 people, how many people would have to wait longer than 13 minutes? (1 pt)


Was the customer’s wait time of 13 minutes unusual? Justify your answer with a complete sentence. (1 pt)
Mathematics
1 answer:
Nady [450]2 years ago
6 0
3900 ㅤ
Yes, it is unusual

ㅤ
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How many litres of milk can be put in six hemispherical bowl each of diameter 35cm​
Lesechka [4]

Answer:

Approximately 67.348 litres can be put in six hemispherical bowl with a diameter of 35 centimetres.

Step-by-step explanation:

The volume of a hemisphere (V), measured in cubic centimetres, is obtained from this formula:

V = \frac{2\pi}{3}\cdot R^{3}

Where R is the radius of the hemisphere, measured in centimetres.

We know that radius is the half of the diameter (D), measured in centimetres, then:

R = 0.5\cdot D

(D = 35\,cm)

R = 0.5\cdot (35\,cm)

R = 17.5\,cm

Now, we get the volume of each hemispherical bowl:

V = \frac{2\pi}{3} \cdot (17.5\,cm)^{3}

V \approx 11224.649\,cm^{3}

The total volume of six hemispherical bowl is:

V_{T} = 6\cdot V

V_{T}= 6\cdot (11224.649\,cm^{3})

V_{T} = 67347.894\,cm^{3}

From Physics we know that 1 litre equals 1000 cubic centimetres. Then:

V_{T} = 67.348\,L

Approximately 67.348 litres can be put in six hemispherical bowl with a diameter of 35 centimetres.

3 0
3 years ago
At the market, 2.4 pounds of carrots cost $1.68 and 1.8 pounds of broccoli cost $1.53. How much more does 1 pound of broccoli co
Greeley [361]

For calculating that, you have to find the unit rate first;

2.4 pound carrot = $1.68

1 pound carrot = $1.68/2.4 = $0.7

1.8 pound broccoli = $1.53

1 pound broccoli = $1.53/1.8 = $0.85

So, it would be = $0.85 - $0.7 = $0.15

SO, YOUR ANSWER IS $0.15

5 0
3 years ago
HELP!!!!!:
Hatshy [7]

There are a total of 10 + 4 = 14 kg of syrup.

4 out of the 14 kg are sugar so the percentage is:

4/14 = 28.6%

Edit: The answer is correct. I don’t know why it was flagged as incorrect.

The total amount of ingredients in the syrup is 14 kg. Of the 14 kg, 4 kg is composed of sugar. So, 4 kg of sugar divided by the 14 kg of total weight will give you the percentage of sugar.

4/14 = 0.285714285714286

With an additional significant figure, the answer is 28.57%

7 0
3 years ago
A toy jeep is 12/1/2 inches ling while an acutal jeep mesures 18/3/4 feet long what is the value of the ratio of the length of t
krek1111 [17]
1 foot = 12 inches
12 1/2 or 12.5 inches
18 and 3/4 or 18.75 X 12= 225
The ratio is 12.5:225 or to simplify 1:18. 
8 0
3 years ago
How do you simplify this radical?<br><br> I can't seem to understand the steps
raketka [301]

Answer:

See the attachment.

Explanation:

6 0
1 year ago
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