The time to complete an exam is approximately Normal with a mean μ = 47 minutes and a standard deviation o = 8 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. 1. Fill in the indicated boxes. μ΄30 μ-20 μίσ + μ μ+o 47 μ = 47 o = 8 μ+20 μ+30 2. Used the Empirical Rule to complete the following statements: 95% of testing times were between minutes

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The time to complete an exam is approximately Normal
with a mean μ = 47 minutes and a standard deviation o =
8 minutes.
The bell curve below represents the distribution for
testing times. The scale on the horizontal axis is equal to
the standard deviation.
1. Fill in the indicated boxes.
μ-3σ μ-2ο μίσ
+
μ μ+o
47
minutes.
2. Used the Empirical Rule to complete the following
statements:
95% of testing times were between
and
μ = 47
σ = 8
μ+20 μ+30
minutes and 55 minutes.
minutes
% of the testing times were between 39
Transcribed Image Text:The time to complete an exam is approximately Normal with a mean μ = 47 minutes and a standard deviation o = 8 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. 1. Fill in the indicated boxes. μ-3σ μ-2ο μίσ + μ μ+o 47 minutes. 2. Used the Empirical Rule to complete the following statements: 95% of testing times were between and μ = 47 σ = 8 μ+20 μ+30 minutes and 55 minutes. minutes % of the testing times were between 39
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