Z-scores & Decision Making
Sampling Distribution for Means and Sums
July 9, 2019Distribution
July 9, 2019Suppose you earned 100 points on an exam. Under which of the following conditions did you earn the best grade? Please explain this to me.
When:
a. ? = 80 and Ï? = 10
b. ? = 80 and Ï? = 5
c. ? = 105 and Ï? = 10
d. ? = 105 and Ï? = 5
Please see the attachment.
Z scores
Suppose you earned 100 points on an exam. Under which of the following conditions did you earn the best grade? Please explain this to me.
When:
a. µ = 80 and σ = 10
b. µ = 80 and σ = 5
c. µ = 105 and σ = 10
d. µ = 105 and σ = 5
Answer
Let us find out the …
The solution provides step by step method for the calculation of probability using the Z score. Formula for the calculation and Interpretations of the results are also included.
