Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.2. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 16 pins is at least 51
+5
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.2. (round your answers to ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Home » Mathematics » Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.2. (round your answers to four decimal places.