Which are correct statements regarding proofs? Select three options.
2 answers:
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Answer:
The area between z = 1.74 and z = 1.25 is of 0.065.
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean and standard deviation
, the z-score of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
The area between two values of Z is given by the subtraction of the pvalue of the larger value by the smaller.
The area between z = 1.74 and z = 1.25.
This is the pvalue of z = 1.74 subtracted by the pvalue of z = 1.25.
z = 1.74 has a pvalue of 0.959
z = 1.25 has a pvalue of 0.894
0.959 - 0.894 = 0.065
The area between z = 1.74 and z = 1.25 is of 0.065.
Answer:
y=
Step-by-step explanation:
Hi there!
We are given the point (-5, -3), and a slope of -3/5
We want to write the equation of the line in slope-intercept form.
Slope-intercept form is given as y=mx+b, where m is the slope, and b is the y intercept
As we are already given the slope, we can immediately plug it into the equation
y=+b
We need to find b, though
We can use (-5, -3) to help us, as the equation will pass through that line
Substitute the value of x as -5 and the value of y as -3 to solve for b
-3=
Now, on the right, multiply -3/5 and 5 together
-3=3+b
Subtract 3 from both sides
-6=b
Substitute 6 as b in the equation
y=-6
Hope this helps!