Question

In the following examples, you are asked to do a simulation, calculate a relative frequency probability and compare it to a theoretical probability. Begin with the following simulation: Use MATH ► PRB ► RandInt function on your calculator to simulate tossing a 10-sided die 250 times and store the results in L1. Do a second simulation of tossing another 10-sided die 250 times and store the results in L2. Add the outcomes of the two simulations and store the results in L3. Using the STATPLOT, create a Histogram of the data in L3. Once you have a display of the Histogram, you need to adjust it. To do this, press WINDOW and change Xmin to 2, Xmax to 21 and Xscl to 1. Then press GRAPH and use the TRACE button to answer the following question:

14. What is the theoretical probability of rolling a sum of 7 or 8? Hint: Consider all the possible equally likely outcomes in the sample space.

a. 0.13 b. 0.171875 c. 0.1875 d. 0.2375 e. 0.375

Answer 1

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