1.
When is Pr(B)=Pr(BA) for two events A and B?
a.
When A and B are independent events
2.
positive predicative value is: The probability that a person has a disease given that
the test is positive. (show of accuracy of the test)
3.
Pr(diseasetest
+
)= Pr(test
+
n disease)
Pr(test
+
)
4.
weight of a person is a continuous variable, since it has infinite amount of
outcomes. While a discrete random variable can take only a finite number of
distinct values.
5.
there are three ways to calculate the exact binomial distribution
a.
Using Binomial Tables
b.
Using a formula
c.
Usinga computer
6.
8;
n*p/100
n= sample size
p= percentile
a.
if result is an integer average the result you get with the next largest
number
b.
if result isn’t an integer use the next largest number as your answer
7.
false 
variance has units which are squares, mean has units to the first power
8.
you use the average of the range * the freq for each group then you add up and
divide by the sample size
9.
the lines that extend out from a box plot are +/ 1.5 * (upper quartilelower
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 Spring '08
 buendia
 Normal Distribution, Standard Deviation, Probability theory, flu vaccine

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