Two outcomes are said to be mutually exclusive when
A. the probability of the two outcomes occurring together is equal to zero (p = 0).
B. the probability of the occurrence of one outcome has no effect on the probability of the occurrence of the second outcome.
C. the probability of the two outcomes occurring together is greater than zero (p > 0).
D. the probability of the two outcomes occurring together sums to one.
Ans: A
You might also like to view...
______ are classroom strategies derived from scientific research.
a. Best practices b. Common-sense practices c. Evaluative practices d. Educational practices
Do Miranda rights apply when school officials question students about suspected misconduct?
a. No. Miranda rights apply only to individuals being questioned in a criminal investigation while in official police custody. b. No. Miranda rights must only be read at school if the student was involved in a “crime of passion.” c. Yes. Miranda rights apply in the public school setting at all times. d. Yes. Miranda rights apply to all secondary students in public schools. e. None of the above.
Only teenagers and adults experience stress
Indicate whether the statement is true or false
A researcher divides his participant group of computer tablet users into three groups based on degree of use of the tablet. If the researcher then draws a random sample from each user group independently, they have created a _____ sample.
A. Randomized B. Stratified C. Snowball D. Systematic