Sandra is buying a book from an online store. The book costs $19.95, plus 10% is added for shipping. Sandra will also have to pay a 6% sales tax. Which expression will calculate the total cost for the book?

A.
(19.95)(0.1)(0.06)

B.
(19.95)(1.1)(0.06)

C.
(19.95)(0.1)(1.06)

D.
(19.95)(1.1)(1.06)

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample