Question

Q1.

Part a) A bag contains 12 marbles. There are 4 marbles that are pink, 5 are purple, and 3 are blue. A marble is randomly pulled out of the bag. What is the probability that the marble selected is pink or blue? Round to 4 decimals.

Part b) A student randomly guesses on a 20 question true/false test. What is the probability that the student guesses correctly on 15 of the questions? Round to 4 decimals.

Part c) A student advisory committee is being formed. There will be 6 people chosen from a group of 18 boys and 15 girls. What is the probability that the committee will include at least 4 boys? Round to 4 decimals.

Part d) A party planner is selecting the menu for the party and there will be six total entrees served. There are 4 beef options, 5 chicken options, and 3 vegetarian options to choose from. What is the probability that exactly 3 of the 6 entrees served are chicken?

Q2.

You went on spring vacation and missed school so you need to make up your homework. You are missing 4 math assignments and 2 science assignments and 3 social studies assignments. What is the probability that the assignments from each class will be completed together (i.e. all of one class, then all of another class, then all of another class)? Round to 4 decimals.

Please answer all parts really need the help. I will rate immediately after answering thank you!

Answer 1