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

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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Question

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

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Step 2: Determining the representation of the tree diagram

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Step 3: Determining the probability of picking two red sweets

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Step 4: Determining the probability of getting no red sweets

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Step 5: Determining the probability of getting at least one blue sweet

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