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50 percent.

Q: What proportion of the area under a normal curve is to the right of a z-score of zero?

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It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.

100%

A binormal is a line which is at right angles to both the normal and the tangent of a point on a curve, and, together with them, forms three cartesian axes.

zigzag lines, vertical lines, horizontal lines, right curve, over curve,left curve, under curve, scallop lines, left slanting lines, right slanting lines

The curve is shifted to the right by c.

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It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.It could be a Gaussian curve (Normal distribution) rotated through a right angle.

Symmetric

The graph shifts to the right.

Yes. Although all do not curve left or right, a curve in one direction or the other when hard is very common (i.e. normal)

0.0006 (approx).

The normal intersects a curve at a right angle, forming a perpendicular line to the tangent of the curve at that point. This intersection is crucial for determining the rate of change or slope of a function at a specific point.

100%

Approx 78.88 % Normal distribution tables give the area under the normal curve between the mean where z = 0 and the given number of standard deviations (z value) to its right; negative z values are to the left of the mean. Looking up z = 1.25 gives 0.3944 (using 4 figure tables). → area between -1.25 and 1.25 is 0.3944 + 0.3944 = 0.7888 → the proportion of the normal distribution between z = -1.25 and z = 1.25 is (approx) 78.88 %

This is the standard normal curve. To the left P(X<x) therefore to the right is P(X>x). Therefore this means that to calculate the probability look up the Z score on the standard normal table. Then P(X>x) = 1-P(X<x). This is because the curve is symmetrical arounds its mean.

Yes, an increase or decrease in income will cause a shift in the demand curve right or left depending on if the good is inferior, normal, or superior

The Z value is 0.

A binormal is a line which is at right angles to both the normal and the tangent of a point on a curve, and, together with them, forms three cartesian axes.