What is the standard deviation of a stock that has a 10% chance of earning 18%, a 10% chance of making 11%, a 40% chance of making 5%, and a 40% chance of making 22%? A. 7.95%.
B. 13.70%.
C. 7.78%.
D. 13.05%.

Walter wants to deposit $1,500 into a certificate of deposit at the end of each ofthe next 6 years. the deposits will earn 5 percent compound annual interest. ifwalter follows through with his plan, approximately how much will be in his accountimmediately after the sixth deposit is made?

Apharmaceutical packaging company (ppc) has decided to reorganize its processes into cells. the company has four different production operations, each requiring a unique piece of equipment. the names and functions of the four pieces of equipment are sort, count, place, and package. the company packages five different families of products (a, b, c, d, and e). the tables below indicate the demand (total units/day by product family), required operations, and operation cycle times for each product family. assume that any individual piece of equipment is available to operate 16 hours/day, but 2 hours (in total) are lost each day on each piece of equipment due to breaks and meetings when operators are not available to operate the equipment. how many minutes/day are available for production

Leon and sara are arguing over when the best time is to degrease soup. leon says that it's easiest to degrease soup when it's boiling. sara says it's easiest to degrease soup when it's cold. who is correct? a. neither leon nor sara is correct. b. leon is correct. c. both leon and sara are correct. d. sara is correct. student b   incorrect which following answer correct?