The overnight low temperature in Cassidy City was –
17°F. The overnight low temperature in Shakerville was
–
6°F. How much warmer was Shakerville than Cassidy City?
To solve the problem, Manny subtracted
–
6–(
–
17) and came up with an answer of
–
11°F. Is Manny correct? Why or why not?

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?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Line wx is parallel to line yz. if m