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Find the area under the normal distribution curve between z equals 1.23 and z equals 1.90?

Look in any standard normal distribution table; one is given in the related link. Find the area for 2.43 and 1.52; then take the area for 2.43 and subtract the area for 1.52 and that will be the answer. Therefore, .9925 - .9357 = .0568 = area under the normal distribution curve between z equals 1.52 and z equals 2.43.


X equals acos3m y equals bsin3m find area under curve?

(3ab*pi)


How do you find the exact value of the gradient of the curve with equation y equals 1 divide by 4 minus x2 at the point where x equals 1 over 2?

You find the gradient of the curve using differentiation. The answer is 0.07111... (repeating).


Given a standard normal distriution find the area under the curve which lies to the left of z equals 1.43?

From the table in the related link, Z = 1.43, area to left is 0.9236. This is read directly from the table.


Find the area under the standard normal curve to the right of z equals 1?

From the table in the related link, the value at z equal one is 0.3413. The area then to the right of z equal one is 0.5 - 0.3413, or 0.1587.


In a perfectly symmetrical bell-shaped normal distribution?

Normal distribution is a perfectly symmetrical bell-shaped normal distribution. The bell curve is used to find the median, mean and mode of a function.


Find the area in the first quadrant bounded by the curve y squared equals 4x the x axis and the line x equals 2?

It is 8*sqrt(2)/3 = 3.7712 approx.


Find the z-score having area 0.86 to its right under its standard normal curve?

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.


How do you find the slope of an Indifference curve?

You find the tangent to the curve at the point of interest and then find the slope of the tangent.


How do you find the slope of a graph if it is a curve?

You find the slope of the tangent to the curve at the point of interest.


Find the point below that lies on the line y - 5 equals 7x - 6?

(6,5)


How can one calculate surplus on a graph?

To calculate surplus on a graph, find the equilibrium point where supply and demand intersect. The surplus is the area above the equilibrium price and below the demand curve. Subtract the equilibrium price from the highest price on the demand curve to find the surplus.