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The lengths of time bank customers must wait for a teller are normally distributed, with a mean of 3 minutes and a standard deviation of 1.5 minute....
Mean - 70.3
s - 12.85
***** my quiz 1 score was 96% or 48 out of 50
1 What was your score on Quiz 1? If it was 100, replace it with an 85.
2. Convert your Quiz 1 score to a z-score. List your z-score.
3. What percentage of the class did better than you?