For a z score of +2.0 from a normal distribution with μ = 50 and σ = 10, the original score was.
A)50
B)60
C)70
D)cannot be determined from the

Name: For a z score of +2.0 from a normal distribution with μ = 50 and σ = 10, the original score was. A)50 B)60 C)70 D)cannot be determined from the
Brand: Quizplus
Rating: 4.9 (41 reviews)

Question

Quizplus · Accepted Answer

The formula for calculating the original score from a z-score is:
Original score = (z-score x standard deviation) + mean
Plugging in the values, we get:
Original score = (2.0 x 10) + 50
Original score = 70

For a Z Score of +2