Which Stem and Leaf display is correct for Profit from Pastry Sales?

6) What of the following statements is correct? A. Total profit is more consistent B. Dozens sold each day is more consistent C. Profit from Featured Pastry Sales is more consistent D. Number of employees is more consistent

7) What is the probability that a randomly selected customer will purchase a Roll? A. 1.0 B. 0.20 C. 0.33 D. 0.07

8) What is the probability that a randomly selected customer will purchase a Roll or a Fritter? A. 0.0 B. 0.53 C. 0.33 D. Can't be calculated

9) 40% of Heavenly Donut Corporation's customers pay with a Visa card. What is the probability that exactly 4 customers will pay with a Visa card in a sample of 15 customers (assume binomial)? A. 0.69 B. 0.53 C. 0.25 D. 0.13

10) 40% of Heavenly Donut Corporation's customers pay with a Visa card. What is the probability that no more than 8 customers will pay with a Visa card in a sample of 15 customers (assume binomial)? A. 0.10 B. 0.12 C. 0.90 D. 0.88

11) Total annual profit at Heavenly Donut Corportation averages $1,600,000 with a standard deviation of $80,000. What is the probability that annual profit will be less than $1,550,000? (assume total annual profit is normally distributed). A. 0.73 B. 0.27 C. 1.00 D. 0.16

12) Total annual profit at Heavenly Donut Corportation averages $1,600,000 with a standard deviation of $80,000. What is the probability that annual profit will be exactly $1,675,000? (assume total annual profit is normally distributed). A. 0.83 B. 0.17 C. 0.00 D. 0.72