A racecar can travel 800 miles in 4 hours. Using(d) for distance in miles and (t) for numbers of hours, an equation that represents this situation is d=200t

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?

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the

17 in long 1.3 ft wide and 8in high what is the volume