April has a bag with 7 blue sweets and 3 red sweets  in it She picks up a sweet at random from the bag, replaces it and then picks  again at  random. Draw a tree diagram to represent this situation and use it to calculate the probabilities that she picks: Two red sweets No red sweets At least one blue sweet

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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April has a bag with 7 blue sweets and 3 red

sweets  in it She picks up a sweet at random from the bag, replaces it and then picks  again at 

random. Draw a tree diagram to represent this situation and use it to calculate the probabilities that she picks:

  1. Two red sweets
  2. No red sweets
  3. At least one blue sweet
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