Question
The time to complete an exam is approximately Normal with a mean = 50 minutes and a standard deviation = 9 minutes. The bell
The time to complete an exam is approximately Normal with a mean = 50 minutes and a standard deviation = 9 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. = 50 = 9 30 20 H+ +20 +30 2. Used the Empirical Rule to complete the following statements: 95% of testing times were between minutes and minutes. % of the testing times were between 41 minutes and 59 minutes. Question Help
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