the oven temperature in a steel smelting process is an important parameter. we would like to esticmate with a probablity
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the oven temperature in a steel smelting process is an important parameter. we would like to esticmate with a probablity
the oven temperature in a steel smelting process is an important parameter. we would like to esticmate with a probablity of .95 the average oven temperature to within 40 c. based on previous information, the standard deviation of the oven temperature is estimated to be 150c . how many samples must be selected