Using the test statistic from question #11, find the p-value.  

What is the sample size needed to provide a margin of error of 3 at 95% confidence when the population standard deviation equals 13?   Sample Size for an Interval Estimate:       z = 1.96 at 95%

What is the sum of the probabilities of two complementary events?

The geometric mean of five observations is the

A bank has kept records of the checking balances of its customers and determined that the average daily balance of its customers is $285 with a population standard deviation of $44. A random sample of 144 checking accounts is selected. Construct a 95% confidence interval estimate for the mean checking balances at the bank. 

The price of a bond is uniformly distributed between $80 and $105.  What is the probability that the price of the bond will be between $81 and $90?   f(x) =

What is the initial path difference between the two sound waves?

What is the next resonant frequency?

What is the speed of this wave?

How much sound power is received by the microphone?