I bought the soundtrack to a movie that had a total of 14 tracks. After listening to all of the tracks, I found that I liked 4 of the tracks. With the random feature on my player, each of the 14 tracks is played oncei What is the probability that among the first two songs I like exactly one of them? random order.

A common lab test during a medical exam is a blood count. The two main aspects are counting the number of white blood cells and differentiating white blood cells into several categories. One of the categories is neutrophils. Suppose 60% of white blood cells are neutrophils in a healthy person. What is the probability of seeing 2 neutrophils in a sample of three white blood cells from a healthy person? What is the probability of seeing 2 or fewer?​

The probability that a person in the US has type B positive blood is 10%.  Three unrelated people in the US are selected at random.  Find the probability that all three have B positive blood.

A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10 Chocolate​ bars, and 40 Rocky Road bars. If one bar is selected at random from the​ cooler, determine the probability that the bar selected is Vanilla​, Chocolate​, or Rocky Road.