When lit, a candle loses 8% of the unlit candle every hour. Janet lit a candle with an original height of 5 inches.
38
hours, the
Until the candle has been burning for at least
height of Janet's candle will be more than 4 inches.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score