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What is the formula to find the sum of exterior angles of a polygon?
it always equals to 360
Is all rectangles cyclic?
as the sum of opposite angles of a rectangle always equals 180 degrees all rectangles are cyclic Actually a rectangle is only cyclic when the product of the diagonls equals the sum of opposite pairs of sides.
What is a slope of a line parallel to the line whose equation is y equals 5x 4?
The slope is 5. Parallel lines always have the same slope.
What is yes equals no if no equals yes?
yes equals no
In which quadrilateral are the diagonals always congruent?
The diagonals of a square. Each equals to s√2, where s is the side-length of the square. A rectangle and an isosceles trapezoid also have congruent diagonals.
Normal distribution it is always true that mean equals median equals mode?
Yes- this can be proved from the normal distribution function.
92.7 sec equals what frequencies?
0.01078748651 hertz
What is The normal probability distribution with ยต equals 0 and ฯ equals 1?
It is the Standard Normal distribution.
Is the area under the standard normal distribution to the left of z equals 0 negative?
The Z value is negative, but area is always positive.
For lamda equals 5.5 the probability of x equals 2 is?
The answer depends on what the distribution is!
Does mode equal median in a normal distribution?
Yes, mode equals median in a normal distribution.
An area of a normal probability distribution represents?
The number 1. The area of any probability distribution equals 1.
The mean of a symmetrical distribution is 40What is its median?
for symmetrical distributions your mean equals the median. that is one of the properties of the symmetrical distribution.
Does mode equals the median normal distribution?
Yes it is. The normal distribution is symmetrical around the mode. Therefore the median has to be the same :)
When the temperatures equals the dew point what is the relative humidity?
100%
If coefficient of skewness equals 0 then what would you say about the skewness of the distribution?
if coefficient of skewness is zero then distribution is symmetric or zero skewed.
What is the area under standard normal distribution curve between z equals 0 and z equals 2.16?
0.4846
