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isds exam 2 review questions & answers 2024/2025
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isds exam 2 review questions & answers 2024/2025
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isds exam 2 review questions & answers2024/2025
Union - ANSWERS"or" language, combination of two events
mutually exclusive events - ANSWERScan not occur at the same time, do not share any outcome of an
experiment, Ex. two different answers
Intersection - ANSWERSthe intersection of two events is the event consisting of all events in both A and
B (the shaded area where A and B merge)
complement - ANSWERSThe COMPLEMENT of an event A (AC)
is the event consisting of all outcomes in
the sample space that are not in event A
complement rule - ANSWERSthe probability of the complement of an event is equal to one minus the
probability of the event.
P(AC) = 1 - P(A)
The highest point of a normal curve occurs at - ANSWERSthe mean
the standard deviation of a standard normal distribution - ANSWERSis always equal to one
Larger values of the standard deviation result in a normal curve that is - ANSWERSwider and flatter
Which of the following is true about the normal distribution - ANSWERSthe mean, median, mode are the
same
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