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Settings on this applet include the Repeat delay Repeat rate and Cursor blink rate?
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What is common of tangent?
Common Tangents Some common tangents of two circles can be drawn.You can find that the number of them varies by the condition of the distance and radii of two circles.Using the applet of Common Tangents, try to explore this relation to the common tangents. Using the applet of Common Tangents In this applet you can explore the number of common tangents, dragging to change the radii or to move the circles.The button of@"Init"@is for replacing the figure in the initial state.If you click the button of@"Auto",@the circles are moving automatically, and then you can enjoy their performance.
Donor center conducted a study over 1 year period and found that an average of 55 donors per day checked in to the center What is the probability that on any given day morethan 75 donor will check?
This describes a Poisson Probability Distribution; the mean mu is 55. The requested probability is for greater than 75. The related link has a Poisson applet which was used to obtain the probability; p(>75) = 0.00419.
How do we calculate probability from bivariate normal distributions?
A calculator for the Bivariate Normal At the bottom of the page at the link, under "A calculator for cumulative probabilities from the bivariate normal distribution" there's a little binary applet, which can be downloaded, and which calculates the percentage chances of being in various parts of the volume of the distribution.
Explain how you could create a distribution of means by taking a large number of samples of four individuals each?
As the sample size increases, and the number of samples taken increases, the distribution of the means will tend to a normal distribution. This is the Central Limit Theorem (CLT). Try out the applet and you will have a better understanding of the CLT.
