Probability
Which of these numbers cannot be a probability?
a) -0.00001
b) 0.5
c) 1.001
d) 0
e) 1
f) 20%
A and C cannot be probabilities
Consists of people who choose themselves by responding to a general invitation..
What is voluntary response?
Definition of Probability
the extent to which something is probable; the likelihood of something happening or being the case.
What is the 4 step process to complete a simulation?
What is "state, plan, do, and conclude?"
If A and B are independent events, then the probability that A and B both occur is..
Definition of Experiment
a situation involving chance or probability that leads to results called outcomes.
Occurs when some members of the population can't be chosen in a sample..
What is undercoverage?
Definition of an event
a thing that happens, especially one of importance.
Two coins are tossed, find the probability that one head only is obtained.
1/2
A stratified random sample addresses the same issues as..
A card is drawn at random from a deck of cards. Find the probability of getting the King of heart.
1/52
95592 94007 69769 33547 72450 16632 81194
The first three students in your sample have labels...
Formula for Compound Probability
P(A or B) = P(A) + P(B) – P(A and B)
A researcher wishes to compare the effects of 2 fertilizers on the yield of soybeans. She has 20 plots of land available for the experiment, and she decides to use a matched pairs design with 10 pairs of plots. To carry out the random assignment for this design, the researcher should...
What is "subjectively divide the 20 plots into 10 pairs (making the plots within a pair as similar as possible) and then, for each pair, flip a coin to assign the fertilizers to the 2 plots