If $\mu$= 3 and $\sigma$ = 2 and scores are normally distributed, what proportion of scores fall below x = 1?
A) .1587
B) .9192
C) .8413
D) .0808

Name: If $\mu$= 3 and $\sigma$ = 2 and scores are normally distributed, what proportion of scores fall below x = 1? A) .1587 B) .9192 C) .8413 D) .0808
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Quizplus · Accepted Answer

The z-score for x = 1 is calculated as (1 - 3) / 2 = -1.5. Using the standard normal distribution table, the proportion of scores below a z-score of -1.5 is approximately 0.1587.

If μ\muμ = 3 And σ\sigmaσ = 2 and Scores Are Normally Distributed, What Proportion of Are

If $\mu$ = 3 And $\sigma$ = 2 and Scores Are Normally Distributed, What Proportion of Are