A casino gambler assums the dice he uses are fair. An investigator recorded the outcomes of 600 rolls of such a die.
Outcome: 1 2 3 4 5 6
Frequency: 111 90 90 102 93 114
a) Is there any evidence to indicate that the die is unfair? ( alpha = .10 )
b) Give an estimate of the probability of rolling a number greater than 3 with this die. Construst a 95% confidence interval for the true probability.