Odds and Probability Practice 1. Consider a spinner with a circle divided into t

Question

Odds and Probability Practice 1. Consider a spinner with a circle divided into thirds. Each third is represented by a different shape: a face, star or banana. Suppose you spin the spinner once. a) What are the odds against landing on the happy face? b) What is the probability that you won't get the happy face? c) Interpret the following: The odds for throwing a dart on the star are 1 to 2, or 1:2. d) What is the probability that you will get the star? e) What are the odds for getting the banana?

Explanation / Answer

(a) Odds against landing on happy face = 2:1

(b) Probability that we won't get the happy face = 2/3

(c) The dart can land on the happy face in 1 ways and fail to land on the happy face in 2 ways

(d) Probability of getting the star = 1/3

(e) Odds for getting the banana = 1:2

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