TI-83 Worksheet Number xx

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TI-83 Worksheet Number 25

Statistics – Selecting Random Numbers

Find two sets of four random numbers between 1 and 75.

(We use the random integer command from the Math – Probability menu. The command takes the form of randint(smallest, largest, # of numbers).

Key Strokes

(We set the calculator to integer mode)

Mode ▼ ► Enter

2 nd

Quit

Math ► ► ► 5

Comment

Highlights 0 and selects it

Returns to home screen

Display:

Enter 1 , 75, 4 )

Enter

Enter

Selects the command and puts it on the home screen, then adds the parameters

Displays

(your numbers will be different, but you should have four between 1 and 75)

Displays

Each time you hit

Enter you will get another set of four numbers.

Put a list of 40 random integers between 1 and 100 in the list editor in list 1.

Key Strokes

Stat Enter ▲

Math ► ► ► 5 1, 100, 40 ) Enter

▼ ▼ ▼ … ▼

Comment

Brings up the list editor and highlights L1

Displays

Use down arrow to scroll through the 40 numbers. www.mikeshoreline.com

4/12/2020 WS 25 Page 1 of 1

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