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How is the probability of one sweet of each color calculated?
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42/100 or simplified to 21/50
How is the concept of addition used in calculating probabilities?
To find total probability of mutually exclusive outcomes.
What was the total number of sweets in Jenny's bag?
10 (7 blue + 3 red)
How is replacement accounted for in the tree diagram?
Probabilities remain the same for the second pick.
Calculate the probability of RR (Red then Red).
9/100
Calculate the probability of at least one blue sweet (BR, RB, BB).
91/100
What is the probability of two red sweets (RR)?
What is the probability of getting BB (Blue then Blue)?
49/100
Why is multiplication used along branches in the tree diagram?
For sequential independent events.
What is the probability of picking a blue sweet on the first pick?
7/10
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