Need help with 6, 7 and 8Mean given was 80, standard deviation is 4

Q5: What percentage of the scores is between 82 and 86?_ Part C:**A raw score of 72 is associated with what percentile? Steps: Q6: What is the z-score associated with a raw score of 72? -80 Q7: A raw score of 72 is associated with what percentile? Part D: ** What raw scores mark the middle 95% of this distribution? Steps: 8: What are the z-scores that mark the middle 95% of this distribution 9: What is the raw score below the mean