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ziro4ka [17]
3 years ago
8

Decide whether the statement below makes sense (or is clearly true) or does not make sense (or is clearly false). Explain. In my

experimental study. l used a sample that was larger than the population. Choose the correct answer below O A. Yes, the statement makes sense. A sample is always larger than the population. O B. No, the statement does not make sense. The sample size should always equal the population size. O C. Yes, the statement makes sense. A sample can be as large as desired. D. No, the statement does not make sense. A sample is a subset of the population and cannot be larger than the population
Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0

Answer:

Option D:The statement does not make sense. A sample is a subset of the population and cannot be larger than the population.

Step-by-step explanation:

The statement does not make sense. A sample is a subset of the population and cannot be larger than the population.

We measure characteristics of a sample to infere properties of the population. In real cases, the samples are much smaller than the population.

The sample size is calculated in order to achieve the desired level of confidence in the estimation. This confidence usually increases by the root of the sample size.

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The height could be 2 and the width 10 or the height could be 10 and the width could be 2. 
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3 years ago
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Write the equation of the line in fully simplified slope-intercept form.​
Aneli [31]

Answer:

y = -\frac{1}{5}x -1

Step-by-step explanation:

Given

The attached graph

Required

Determine the line equation

First, list out two points from the graph

(x_1,y_1) = (-5,0)

(x_2,y_2) = (0,-1)

Next, calculate the slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{-1-0}{0 -(-5)}

m = \frac{-1}{0 +5}

m = -\frac{1}{5}

The equation in slope intercept form is:

y = m(x - x_1) + y_1

This gives:

y = -\frac{1}{5}(x - (-5)) + 0

y = -\frac{1}{5}(x +5)

Open bracket

y = -\frac{1}{5}x -1

4 0
3 years ago
Find the zeros of the function f(x) = x2 + 5x + 6. A) y = 6 because the graph crosses the y-axis at 6. B) y = -0.25 because that
Fofino [41]

Answer:

D.)

Step-by-step explanation:

The zero's are referencing when y=0, note that when y=0 they are talking about the x-intercepts.  You can graph the function and see when the graph crosses the x-axis or solve for the x-values.  I will solve it via factoring and so:

f(x)=x^2+5x+6

Multiply the outer coefficients, in this case 1 and 6, and 1×6=6.  Now let's think about all the factors of 6 we have: 6×1 and 2×3.  Now is there a way that if we use any of these factors and add/subtract them they will return the middle term 5?  Actually we can say 6-1=5 and 2+3=5.  Let's try both.

First let's use 6 and -1 and so:

x^2+5x+6\\\\x^2+6x-x+6\\\\x(x+6)-1(x-6)

Notice how we have (x+6) and (x-6), these factors do not match so this is incorrect.

Now let's try 2 and 3 and so:

x^2+5x+6\\\\x^2+3x+2x+6\\\\x(x+3)+2(x+3)\\\\(x+2)(x+3)

Notice how the factors (x+3) matched up so this is a factor and so is (x+2), now to solve for the zero's let's make f(x)=0 and solve each factor separately:

Case 1:

f(x)=x+2\\\\0=x+2\\\\x=-2

Case 2:

f(x)=x+3\\\\0=x+3\\\\x=-3

So your zero's are when x=-2 and x=-3.

D.) x=-3 and x=-2 because the graph crosses the x-axis at -3 and -2.


~~~Brainliest Appreciated~~~

8 0
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Answer:

below

Step-by-step explanation:

f(3)=2

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makkiz [27]
2 hours and 42 minutes
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