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### How to Work with Probabilities on the TI-84 Plus

You can use the TI-84 Plus graphing calculator to calculate probabilities such as permutations and combinations and to generate random integers and decimals. Do you need to calculate the number of ways [more…]

### How to Start and Quit Probability Simulation on the TI-84 Plus

With the Probability Simulation application that comes preloaded on the TI-84 Plus family of calculators, you can simulate many common activities, like rolling dice. As the application performs simulations [more…]

### How to Use Probability Simulation on the TI-84 Plus

Before you toss coins, roll dice, pick marbles, spin spinners, or draw cards, you need to know how to access the commands at the bottom of the TI-84 Plus Probability Simulation screen, how to seed the [more…]

### How to Simulate Rolling Dice on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus calculator can simulate rolling from one to three dice at a time. It can even roll weighted dice. When rolling only one die at a time, the application [more…]

### How to Save Probability Simulation Data on the TI-84

The data that appears in any Probability Simulation table on the TI-84 Plus can be saved to lists so that you can, after exiting the application, statistically analyze this data. [more…]

### Probability Simulation Settings Editor on the TI-84 Plus

The Probability Simulation on the TI-84 Plus application contains four simulators (Tossing Coins, Rolling Dice, Picking Marbles form an urn, and Spinning a Spinner) that work much the same way. Some information [more…]

### How to Simulate Tossing Coins on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus graphing calculator can simulate tossing from one to three coins at a time. It can even toss weighted coins. When tossing only one coin at a time [more…]

### How to Simulate Picking Marbles on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate picking one marble at a time from an urn that contains from two to five different types [more…]

### How to Simulate Spinning Spinners on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate spinning a spinner that is divided into two to eight sections of equal or unequal areas. It will not simulate the spinner landing on [more…]

### How to Simulate Drawing Cards on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate drawing a card from one to three decks of cards. It even allows you to specify whether or not the card is placed back in the deck before [more…]

### How to Analyze Statistical Data on the TI-84

The TI-84 Plus calculator can perform one- and two-variable statistical data analysis. For one-variable data analysis, the statistical data variable is denoted by [more…]

### How to Evaluate Factorials on the TI-84 Plus

Did you know you can type an exclamation point on your TI-84 Plus calculator? Mathematically, the exclamation point is called a *factorial.* Usually students learn about factorials in pre-algebra and then [more…]

### Permutations and Combinations and the TI-84 Plus

You can work permutations and combinations on the TI-84 Plus calculator. A *permutation,* denoted by **nPr**, answers the question: “From a set of **n** different items, how many ways can you select [more…]

### How to Use the Binomial Theorem on the TI-84 Plus

In math class, you may be asked to expand binomials, and your TI-84 Plus calculator can help. This isn’t too bad if the binomial is (2x+1)^{2} = (2x+1)(2x+1) [more…]

### How to Generate Random Numbers on the TI-84 Plus

Your TI-84 Plus calculator has a massive amount of digits arranged in a list, called a random number table, that it uses to generate random numbers. [more…]

### How to Enter Statistical Data in the TI-84 Plus

What you use to enter statistical data into the TI-84 Plus calculator is the Stat List editor — a relatively large spreadsheet that can accommodate up to 20 columns [more…]

### How to Delete and Edit Data on the TI-84 Plus

When you are working with statistical data on your TI-84 Plus calculator, sooner or later, you’ll have to remove or modify the data that you’ve placed in a data list. The following descriptions show you [more…]

### How to Use Formulas to Enter Data in the TI-84 Plus

You can use formulas to enter statistical data on the TI-84 Plus calculator. The figure illustrates how you would place the sequence 10, 20, . . ., 200 in list [more…]

### Copy and Recall Data Lists in the TI-84 Plus

Once you have entered your statistical data in a data list on your TI-84 Plus calculator, you can call the list up again when you want to use or change it. [more…]

### How to Sort Data Lists on the TI-84 Plus

You can use your TI-84 Plus calculator to sort data lists and solve a typical standardized test question. Put the following set of numbers in order from least to greatest: [more…]

### How to Insert Data Lists on the TI-84 Plus

You can’t rename a data list on your TI-84 Plus calculator, so if you want to have a nifty name for your list, it is best to insert a list before you start entering your data. To insert a data list in [more…]

### How to Construct Histograms on the TI-84 Plus

The most common plots used to graph one-variable data are histograms and box plots. In a *histogram,* the data is grouped into classes of equal size; a bar in the histogram represents one class. The height [more…]

### How to Construct a Box Plot on the TI-84 Plus

You can use your TI-84 Plus calculator to construct a box plot for your data. Press [2nd][Y=][2] to access **Plot2**. Follow Steps 1 through 9 for constructing a histogram. In Step 5, select the Box Plot symbol [more…]

### How to Plot Two-Variable Data on the TI-84 Plus

The most common plots used to graph two-variable data sets are the scatter plot and the *xy*-line plot. You can create both of these on the TI-84 Plus calculator. [more…]

### How to Trace Statistical Data Plots on the TI-84

Before tracing a statistical data plot on your TI-84 Plus , press [2nd][ZOOM] and, if necessary, highlight **CoordOn** in the second line of the Format menu and [more…]