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Liberty Bank and Trust plans to build a new branch office. Liberty hired Ed Baker, an architectural consultant. Ed’s fee is 7% of the cost of the project. Liberty hired Tina Pike as project engineer for the new branch. Tina’s fee is 4.5% of the cost of the project. Liberty hired Sara Charles to take care of the legal aspects of the project. Sara charges $75 per hour. It took her 10.5 hours to prepare the legal documents. The cost of the branch office is estimated to be$4,575,000. What amount should Liberty plan to pay for the 3 professional services?
We are given the following probability distribution.
Use the laws of expected value and variance to calculate the mean, variance, and standard deviation of Y from the mean, variance, and standard deviation of X . Compare your answers in parts (c) and (d). Are they the same (except for rounding)?
American Express Business Travel uses a six-letter record locator number (RLN) for each client's trip (e.g., KEZLFS).
(a) How many different RLNs can be created using capital letters (A-Z)?
(b) What if they allow any mixture of capital letters and digits $()$ ?
(c) What if they allow capital letters and digits but exclude the digits and and the letters and because they look too much alike?