(6 x 9 = f) f x 16 = b what dose b equal
2 answers:
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Using the normal distribution, it is found that the percentages are given as follows:
- 3.59% of the grades will be A.
- 9.98% of the grades will be B.
- 74.92% of the grades will be C.
- 8.64% of the grades will be D.
- 2.87% of the grades will be F.
The z-score of a measure X of a normally distributed variable with mean and standard deviation
is given by:
- The z-score measures how many standard deviations the measure is above or below the mean.
- Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.
The prorportion of students who receive an A is <u>one subtracted by the p-value of Z = 1.8</u>.
Looking at the z-table, Z = 1.8 has a p-value of 0.9641.
1 - 0.9641 = 0.0359.
3.59% of the grades will be A.
For B, it is the <u>p-value of Z = 1.8 subtracted by the p-value of Z = 1.1</u>, hence:
0.9641 - 0.8643 = 0.0998.
9.98% of the grades will be B.
For C, it is the <u>p-value of Z = 1.1 subtracted by the p-value of Z = -1.2</u>, hence:
0.8643 - 0.1151 = 0.7492.
74.92% of the grades will be C.
For D, it is the <u>p-value of Z = -1.2 subtracted by the p-value of Z = -1.9</u>, hence:
0.1151 - 0.0287 = 0.0864.
8.64% of the grades will be D.
For F, it is the <u>p-value of Z = -1.9</u>, hence 2.87% of the grades will be F.
More can be learned about the normal distribution at brainly.com/question/15181104
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Given:
(2, 4) and (3, 3) are on the line.
To find:
The equation of line in point slope form.
Solution:
If a line passes through a point with slope m, then the point slope form of the line is
(2, 4) and (3, 3) are on the line. So, slope of the line is
The slope of a line is -1 and it passes through (2,4). So, an equation in point slope form is
Therefore, an equation of the line in point slope form is .
As you can see in the picture above, there are six faces of a rectangular prism; two are formed with dimensions width and height, two are formed by the dimensions length and width, and two are formed by the dimensions length and height. So, if you know the length, width, and height of the rectangular prism, then the formula for the surface area is
=(2⋅ℎ⋅ℎ)+(2⋅ℎ⋅ℎℎ)+(2⋅ℎ⋅ℎℎ)
=(2⋅ℎ⋅ℎ)+(2⋅ℎ⋅ℎℎ)+(2⋅ℎ⋅ℎℎ)