Find reading that separates bottom from the other

Reference no: EM13143902

he Precision Scientific Instrument Company manufactures thermometers that are supposed to give readings of 0oC at the freezing point of water. Tests on a large sample of these thermometers reveal that at the freezing point of water, some give readings below 0oC (denoted by negative numbers) and some give readings above 0oC (denoted by positive numbers). Assume that the mean reading is 0oC and the standard deviation of the readings is 1.0oC. Also assume that the frequency distribution of errors closely resembles the normal distribution. A thermometer is randomly selected and tested. Find the temperature reading corresponding to the given information.

A quality control analyst wants to examine thermometers that give readings in the bottom 4%. Find the reading that separates the bottom 4% from the others.

Reference no: EM13143902

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