An Urn Contains Ten Marbles Numbered 1 Through 10

question 84

Essay

An urn contains ten marbles numbered 1 through 10.If two marbles are randomly drawn in succession without replacement,determine the probability that
(a)the first marble drawn shows 1 and the second shows 2;
(b)both show an odd number;
(c)at least one marble shows a number greater than 5.

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Definitions:

Alimentary Canal

The digestive tube extending from the mouth to the anus, through which food is ingested, digested, absorbed, and waste material expelled.

Amylase

An enzyme that catalyzes the hydrolysis of starch into sugars, found in the saliva and pancreatic fluid of humans.

Starch

A carbohydrate consisting of a large number of glucose units, serving as a major energy source from food.

Gallbladder

A small organ located under the liver, which stores and concentrates bile, a digestive enzyme produced by the liver.