Use the following information to answer questions 1-3.
Alex tracked how many cups of coffee he drank each day for a month and then compiled the
results into a probability distribution, as shown below.
3 4
Number of Cups of Coffee, X 0 1 2
Relative Frequency, P(X) 0.024 0.423 0.2910.1720.090
1. Calculate the expected value of the number of cups of coffee Alex drinks each day. (1 point)
00.200 cups
00.163 cups
00.976 cups
01.881 cups
2. Determine the median of Alex's probability distribution. (1 point)
01 cup
02 cups
02.5 cups
03 cups
3 Calculate the IOR of Alex's t obability distribution (1 point)



Answer :