Find the length of the segment indicated. round your answer to the nearest tenth if necessary.

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?

Which table shows a proportional relationship between miles traveled and gas used?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i