An online store gives away a t-shirt with every purchase. 25% of the shirts are red and 75% are blue, and each customer receives one shirt per purchase chosen at random. a) How many purchases on...



  1. An online store gives away a t-shirt with every purchase.  25% of the shirts are red and 75% are blue, and each customer receives one shirt per purchase chosen at random.




  1. a) How many purchases on average would you have to make to get your first red ribbon?

















  1. b) If you make 4 purchases, what is the probability you get at least 1 red ribbon?





















  1. c) If you make two purchases, what is the probability that you get one red and one blue ribbon?











Jun 09, 2022
SOLUTION.PDF
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here
Have files?