MC The original structure of the Internet was sponsored by____________ (ARPA).

In C#, both the break and default are optional entries found with a switch statement.

Answer the following statement true (T) or false (F)

The average burning times of American Standard lightbulbs (made in China) are normally distributed, with a mean of 1,300 hr and a standard deviation of 130 hr, according to quality control studies. A company installs a large number of these bulbs at the same time. After what amount of time should we expect 7.5% of them to burn out? (Hint: This will split the total area under the normal curve into an area of 0.0750 on the left-hand tail and 0.9250 on the other.)

A. hr
B. hr
C. hr
D. hr
E. hr