In the smallest of the three triangles (with sides ) we have
In the second-largest triangle (with sides ), the length of the missing side is
. Then in the largest triangle (with sides
), we have
Equivalently, we have
In turn, we find
Can someone plot this for me, can’t tell if i’m wrong.
2 answers:
Answer: This straight line goes through (0,4) and (1,3)
Check out the graph below
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Explanation:
We can plug in any x value we want. Let's say we use x = 0.
y = -x+4
y = -0+4
y = 0+4
y = 4
We see that x = 0 leads to y = 4. The point (0,4) is on the line. This is the y intercept.
Repeat this process for some other x value. I'll use x = 1.
y = -x+4
y = -1+4
y = 3
The point (1,3) is on the line as well.
We need at least 2 points to plot this line. You can do more if you wanted, but 2 is the bare minimum.
Plot (0,4) and (1,3). Then draw a straight line through them as the diagram indicates below. I used GeoGebra to make the graph.
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Answer:
There is not enough evidence to support the claim that union membership increased.
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 400
p = 12.5% = 0.125
Alpha, α = 0.05
Number of women belonging to union , x = 52
First, we design the null and the alternate hypothesis
The null hypothesis sates that 12.5% of U.S. workers belong to union and the alternate hypothesis states that there is a increase in union membership.
This is a one-tailed(right) test.
Formula:
Putting the values, we get,
Now, we calculate the p-value from the table.
P-value = 0.3812
Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept the null hypothesis.
Conclusion:
Thus, there is not enough evidence to support the claim that union membership increased.