1) If an event has a probability of P=.2 this can also be expressed as saying the event has a _______% chance of occurring.

2) In a normal distribution what two z-scores would the highest 7% of scores and lowest 7% of scores fall beyond.

The z-score with 7% of scores being lower would be

The z-score with 7% of scores being higher would be

3) A group of students has taken an anxiety test. Scores are normally distributed. The mean score is 15 with a standard deviation of 3. What raw scores do the middle 75% of scores fall between?

The low raw score would be .

The high raw score would be

4) A group of students has taken an anxiety test. Scores are normally distributed. The mean score is 15 with a standard deviation of 3. If a student has a score at the 55^th percentile what is their raw score?