Alexis put $2000 in a savings account. after 4 years, she had $2543 in the account. what rate of interest did she earn? use the formula a = pert, where a is the ending amount, p is the principal (initial amount), r is the interest rate, and t is time.

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.