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vodomira [7]
3 years ago
15

At a local pizza place, the cost of a large cheese pizza is $13.99. Each additional topping is $1.25. Is the data in this situat

ion discrete or continuous? Explain your answer.
Mathematics
1 answer:
inysia [295]3 years ago
6 0

Answer:

Continuous

Step-by-step explanation:

Here we are asked to determine that the data given to us in form of rates of pizza and the toppings is discrete or the continuous.

The discrete data always come in integers where as the continuous data can come in decimals too. For example the number if student in a class is always a discrete data where as the weight of the students in a class is continuous data.

Here we can see that the cost of pizza and the toppings are in decimals. Hence here the data is continuous

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Answer:

<em>The observed t (2.533) is in the tail cut off by the critical t (2.462), therefore we reject H0. It is likely  that the books are older than 20 years of age on average.</em>

Step-by-step explanation:

<em>Step 1: Hypotheses and α level </em>

H0: μ ≤ 20

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<u><em>α = 0.01</em></u>

<em>Step 2: Critical region </em>

α = .01

One-tailed

df = n – 1 = 30 – 1 = 29

<u><em>t - critical = 2.462 </em></u>

<em>Step 3: Calculate t which is observed </em>

sM = √(s2 / n) = √(67.5 / 30) = 1.5

t = (M – μ) / sM  

t = (23.8 – 20) / 1.5

<u><em>t = 2.533 </em></u>

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180mi/2.5hr=72 mph

72mph (10hr)=720 miles

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