Vocab 1
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BONUS
100
To artificially re-create the random process a large number of times.
What is simulation?
100
What is the probability of landing tails? (flipping a coin once)
.50
100
What is the probability of flipping tails on a coin and then flipping it again, and then a heads on the third time?
.125
200
Refers to the long-run average result of the process.
What is expected value of a numerical process?
200
What is the probability of choosing a red card randomly in a standard deck of playing cards?
.50
200
3 quarters 1999 1978 2010 What is the probability that a randomly chosen quarter from this set is greater than the mean of the 3 quarters?
Mean=1995.66 1999 and 2010 2/3 .6666
300
The observed proportion of times that the event occurs.
What is an empirical estimate?
300
What is the probability of rolling a 3 on a six sided dice twice in a row?
.0277777778
400
The listing of possible values of a numerical random variable, along with the probabilities for those values.
What is probability distribution?
400
Bag of 10 M&M's, 2 pieces each red, brown, yellow, green, blue. What is the probability of pulling out two red M&M's in a row?
.0222222222
500
A probability of .05 or less
What is a rare outcome?
500
Julie 22 John 27 Joe 13 Jim 40 Susan 15 Choose one person randomly, what is the probability that the age is less than the mean age?
Mean=23.4 Julie, Joe, Susan 3/5 ANSWER= .6
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