basic statistic

OPTIONAL QUIZ-IM311

NAME______________

1-) A power supply outputs a voltage (normally distributed) with mean 5 V and STD of 0.02 V. Given that LSL and USL voltages are 4.95 V and 5.05 V, respectively, find the probability that a power supply selected at random will conform to the specifications on voltage

2-) Drinks at a coffee shop have a mean sugar content of 20g with a variance of 36g. The milk content in a milk shake at the coffee shop has a z-score of -0.75compared to the rest of the drinks at that shop. How much milk is in a milk shake at the coffee shop ?