SAT scores were originally scheduled so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation 100 assuming that the scaling still applies use a calculator to find the probability that a randomly selected SAT student scores more than 620

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)