You have 6 balls in a box: 3 red, 2 green, and 1 blue. You pick without looking. What is the probability of picking... 1. A blue ball?
2. A ball that’s not red?
4. Janice owns a boutique. Sally, her friend, is among 115 people whose names are in a box for a $1000 boutique prize drawing. 5 of janice’s family members have their names in the box, but they are not eligible. What is Sally’s chance of winning the $1000?
5. Principle Barnes as 9 door prizes in envelopes to be given out at the faculty meeting to the nine teachers whose students had the highest average on the benchmark test. Julie is one these teachers. 3 envelopes have $50 gift cards. 3 envelopes have $40 gift cards, and 3 envelopes have $25 gift cards. The names of the nine teachers will be selected at random, one at a time, to come up and select an envelope, open it and show the prize inside. If the first teacher draws a $50 card and Julie’s name to drawn second, what is the probability that Julie will also get a $50 gift card?