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What is the probability of randomly selecting a z-score less than z = –0.80 from a normal distribution. a)-0.2119 b)0.7881...Question
What is the probability of randomly selecting a z-score less than z = 0.80 from a normal distribution?
a)-0.2119
b)0.7881
c)0.2119
d)-0.7881
a)-0.2119
b)0.7881
c)0.2119
d)-0.7881
Answers
PsyDAG
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to your Z score.
Hint: probability can only be positive.
Hint: probability can only be positive.