1. Suppose that next year we again will collect data and will want to estimate the mean height of the entire male RCCC student body. The minimum sample size we need to take depends on what confidence level and margin of error we specify.

• Use 2 decimal places for z-scores.
• Show calculations. Write down exactly what numbers you're using in the formula.
• Then, round your final answer up to the nearest whole number.

1. (10 pts) We would need to sample a minimum of ________ male RCCC students to be 96% confident that the sample mean we get is within inch of the true mean.