Author Question: A certain brand of flood lamps has a lifetime that is normally distributed with a mean of 3,750 ... (Read 59 times)

jCorn1234 · **on:** Aug 1, 2018

A certain brand of flood lamps has a lifetime that is normally distributed with a mean of 3,750 hours and a standard deviation of 300 hours. A). What proportion of these lamps will last for more than 4,000 hours? B). What lifetime should the manufacturer advertise for these lamps in order that only 2 of the lamps will burn out before the advertised lifetime? ___________________ _ hours (Remove all commas from your answer before submitting).
Fill in the blank(s) with correct word

Question 2

The development of the SCOR model has been an incremental process in which new components are added since its initial announcement. Which of the following process types were not included as a level 1 type process initially? (1). Source (2). Plan (3). Remake (4). Return
a. (1) c. (1) and (4)
b. (3) and (4) d. (4)