Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0° C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find P40, the 40-percentile. This is the- temperature reading separating the bottom 40% from the top 60%. P40 = °C

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Chapter1: Combinatorial Analysis
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**Normal Distribution of Thermometer Readings**

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find \( P_{40} \), the 40-percentile. This is the temperature reading separating the bottom 40% from the top 60%.

\[ P_{40} = \_\_\_\_ \, °C \]

(Note: No graphs or diagrams are present in the image.)
Transcribed Image Text:**Normal Distribution of Thermometer Readings** Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find \( P_{40} \), the 40-percentile. This is the temperature reading separating the bottom 40% from the top 60%. \[ P_{40} = \_\_\_\_ \, °C \] (Note: No graphs or diagrams are present in the image.)
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