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# Period 2 Statistics Quiz Stats

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Description Probability Term % Correct
The chance that an event will occurProbability
88.9%
When all the outcomes of a random variable cannot be listed, it is _____Continuous
88.9%
If two independent events A and B where A=.5 and B=.3, what is the probability of A and B occurring?.15
66.7%
Is height of a person discrete or continuous? (include 'variable')Continuous variable
66.7%
When all the outcomes of a random variable can be listed, it is _____Discrete
55.6%
Does the sample size 40 and the probabilities p=.2 and q=.8 satisfy the success failure rule?no
55.6%
The sample space of two independent probabilities with no other possible outcomes is what?1
55.6%
Combination of possible outcomesEvent
44.4%
The expected value of the squared deviations from the meanVariance
44.4%
Value of Random phenomenonOutcome
33.3%
All Possible outcomes in a situationSample Space
33.3%
Synonym for mutually exclusive Disjoint
33.3%
The square root of the varianceStandard Deviation
33.3%
Probability model that that counts the number of the successes in a fixed number of Bernoulli trialsBinomial
33.3%
If the variance of a data set is 25, what is the standard deviation?5
33.3%
If the probabilitaty that event A will occur is .16, what is the probability that A will not occur?.84
33.3%
Is the random variable amount of money discrete or continuous? (include 'variable')Discrete variable
33.3%
Observation of random phenomenonTrial
22.2%
The outcome of one trial doesn't affect the outcome of the othersIndependence
22.2%
Events that have no outcomes in commonMutually Exclusive
22.2%
Description Probability Term % Correct
The sum of all possible outcomes multiplied by the probability that each outcome will occurexpected value
22.2%
Probability model that counts the number of Bernoulli trials until the first successGeometric
22.2%
Probability model that counts the number of heads in 5 coin flips (include 'model')binomial model
22.2%
If A abd B are mutually exclusive events where A=0.5 and B=0.3, what is the probability of A or B ocurring?.8
22.2%
as the number of independent trials increases the long run frequency of repeated events gets closer and closer to a single valueLaw of Large Numbers
11.1%
The probability of event B or outcome B given AConditional Probability
11.1%
A diagram of conditional events or probabilities that shows all outcomes of a situation Tree Diagram
11.1%
A variable whos numeric value is based on the outcome of a random eventRandom Variable
11.1%
Probability model that counts the number of coin flips until heads (include 'model')geometric model
11.1%
Random occurenceRandom Phenomenon
0%
The value that relative frequencies approach with increased number of trialsEmpirical Probability
0%
For two disjoint events A and B the probability that one or the other occurs is the sum of the probabilities of the two events Addition Rule
0%
For two events A and B the probability that both A and B occur is the product of the probabilities of the two eventsMultiplication Rule
0%
The probability that comes from a modelTheoretic Probability
0%
Probability that a subjective represents your personal degree of belief Personal Probability
0%
The probability of the entire sample space must be oneProbability Assignment Rule
0%
The probability of an event occuring is one minus the probability that doesn't occurComplement Rule
0%
The collection of all the possible values and probabilities that can occur for a random variableProbability model
0%
The sample must be less than ten percent of the population10 Percent Rule
0%
np>10, nq>10Success Failure Rule
0%

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Created May 19, 2011
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