Examlex

Solved

A Sample of Size 50 Is to Be Taken from an Infinite

question 25

Multiple Choice

A sample of size 50 is to be taken from an infinite population whose mean and standard deviation are 52 and 20, respectively. The probability that the sample mean will be larger than 49 is:


Definitions:

Strong Electrolyte

A substance that completely dissociates into ions in solution, conducting electricity efficiently.

Electrolyte

A material that, when dissolved in a polar solvent like water, yields a solution capable of conducting electricity.

Compound

A substance made up of two or more different elements that are chemically bonded together.

Total Ionic Equation

An equation that shows all the soluble ionic substances in a chemical reaction as they exist as ions in a solution.

Related Questions