1. A coin is tossed 3 times. Let x be the random
discrete variable representing the number of times tails comes
up.
a) Create a sample space for the event;
b) Create a probability distribution table for the discrete
variable
x;
c) Calculate the expected value for x.
2. For the data below, representing a sample of times
(in minutes) students spend solving a certain Statistics problem,
find P35, range, Q2 and IQR.
3.0, 3.2, 4.6, 5.2 3.2, 3.5...