Use Excel and the following information to answer questions.

The time it takes to serve a guest at a restaurant (from the time the guest is seated until the guest leaves the table) is exponentially distributed, with the average time being 50 minutes.

10)What is the probability that a guest spends less than 50 minutes at the table?

A.0.4182

B.0.6321

C.0.7538

D.0.8952

11)What is the probability that a guest spends more than 80 minutes at the table?

A.0.6811

B.0.5000

C.0.2019

D.0.4934

12)What is the probability that a guest spends between 45 to 70 minutes?

A.0.7545

B.0.1600

C.0.2455

D.0.8421

Use the following information to answer Questions.

The time to fill a box of cereal at a food packaging plant is uniformly distributed and takes between 20 to 45 seconds.

13)What is the probability that it takes between 30 to 50 seconds to fill a box of cereal?

A.0.2500

B.0.5500

C.0.6000

D.0.8000

14)What is the probability that it takes less than 25 seconds to fill a box of cereal?

A.0.2000

B.0.5500

C.0.8000

D.0.4500