Help Pls

ics Calculating a Data Value from a Percentile The average number of years that an employee must Complete the sentence work for a particular data company before earning a The z-score for Andre's length of employment until promotion is Normally distributed, with a mean of 4.2 promotion was 0.77, so his length of employment until years and a standard deviation of 0.75 years promotion was about years 3 43 3.62 4.78 4.97