Wednesday
September 2, 2015

Homework Help: Statistics

Posted by Andrew on Monday, May 12, 2008 at 9:38pm.

In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel
of popcorn to pop is normally distributed with a mean of 140 seconds and a standard deviation of
25 seconds. What percentage of the kernels will fail to pop if the popcorn is cooked for (a) 2 minutes?
(b) Three minutes? (c) If you wanted 95 percent of the kernels to pop, what time would you
allow? (d) If you wanted 99 percent to pop?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members