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sergejj [24]
2 years ago
14

Determine whether the quantitative variable is discrete or continuous. Number of students in a class Is the variable discrete or

​ continuous? A. The variable is continuous because it is not countable. B. The variable is discrete because it is not countable. C. The variable is continuous because it is countable. D. The variable is discrete because it is countable.
Mathematics
1 answer:
olga nikolaevna [1]2 years ago
6 0

Answer:

D) The variable is discrete because it is countable.      

Step-by-step explanation:

Both discrete and continuous falls under the numeric category.

Discrete variables are the variable that are countable and cannot be expressed in decimal form.

Example: Tosses of a coin, Number of rooms in an house.

Continuous variables on the other hand cannot be counted, they are countable and can be expressed in the form of decimals. Its value can be expressed in the form of interval.

Example: Time, Length.

Now, number of students in a class is a discrete variable since students are countable and they cannot be expressed in decimal form.

So the correct option is D) The variable is discrete because it is countable.

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3 years ago
Which statement is true about the domain of y = 3(2^-x)? Explain.
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any function of the form y=f(x)=a \cdot b^x is called an "exponential function",
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8 0
3 years ago
Wich is equivalent to sqrt10^3/4 x
Sergio039 [100]

Answer:

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7 0
3 years ago
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6 0
2 years ago
A sample of 20 joint specimens of a particular type gave a sample mean proportional limit stress of 8.41 mpa and a sample standa
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For this problem, the confidence interval is the one we are looking for. Since the confidence level is not given, we assume that it is 95%.

 

The formula for the confidence interval is: mean ± t (α/2)(n-1) * s √1 + 1/n


Where:

<span>
</span>

α= 5%


α/2 = 2.5%


t 0.025, 19 = 2.093 (check t table)


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So plugging in our values:


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3 0
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