Hi!
got a question!
Six hundred Kilograms of tea were packed in 500g packets. How many packets of tea were there?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (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 8 pins is at least 51?

Can someone pls ! pls answer all. no explanation needed..

What is the range for 31,39,29,34,37,24,36,33,34,28