7.4.3.1

Use random numbers generated by a calculator or a spreadsheet or taken from a table to simulate situations involving randomness, make a histogram to display the results, and compare the results to known probabilities.

Example Problems
A call center tracks the number of incoming calls it receives in the next hour. Let be the number of calls in that hour.

What type of variable is
: binomial, geometric, or neither?
Haylee selects 10 small businesses at random from her state's directory. Let be the number of businesses she selects that have websites.

What type of variable is
: binomial, geometric, or neither?
A biased coin that lands heads with probability is flipped 50 times. Let be the number of heads observed.

What type of variable is
: binomial, geometric, or neither?
Goblins

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