The Practice Of Statistics 7E
3 important questions on The Practice Of Statistics 7E
What is the probability that at most 3 people out of 20 get a red light?
- The probability that at most 3 people get a red light is calculated using the cumulative binomial probability formula with \( n = 20 \), \( p = 0.30 \), and \( R \leq 3 \).
What is the probability that the last Kiss tasted is preferred by 14 or more students?
- The probability that 14 or more students prefer the last Kiss is calculated using the cumulative binomial probability formula with \( n = 22 \), \( p = 0.20 \), and \( X \geq 14 \).
What is the probability that Joy would identify at least 11 shirts correctly by guessing?
- The probability that Joy identifies at least 11 shirts correctly by guessing is calculated using the cumulative binomial probability formula with \( n = 12 \), \( p = 0.5 \), and \( X \geq 11 \).
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