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Ch7 Continuous Probability Distribution (Normal Probability Distribution…
Ch7 Continuous Probability Distribution
The uniform Distribution
the simplest distribution for a continuous random variable
Mean of the Uniform Distribution
Uniform Distribution
Standard Deviation of the Uniform Distribution
Normal Probability Distribution
Bell-shaped and has single peak at center of distribution
symmetrical
asymptotic
location of normal distribution is determined by mean
mean, median and mode are equal
total area under the curve is 1.00
the probability density of the normal distribution
Standard normal distribution
a normal with a mean of 0 and a standard deviation of 1
z distribution
Normal Approximation to the Binomial
yields a good approximation of the binomial distribution
Continuity Correction Factor
at least X occurs, use area above(X-,5)
more than X occurs, use area above (X+,5)
X or fewer occurs, use area below(X-,5)
fewer than X, use area below(X+,5)
