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The average height of adult females is 64.4 inches, with a standard deviation of 2.3 inches and a normal distribution. Rayna is 67.1 inches tall. What is the standardized score for Rayna’s height?

A. -1.17
B. 1.17
C. -0.17
D. 0.17
E. Unable to determine the standardized score

Respuesta :

MathPhys

Answer:

B. 1.17

Step-by-step explanation:

The z-score is:

z = (x − μ) / σ

z = (67.1 − 64.4) / 2.3

z = 1.17

thanksforthehelp43
The correct answer is B! I hope that helped. Enjoy the rest of you day :)

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