For a chi-square goodness-of-fit test based on a 6x5 contingency table, the test statistic is 33.3244. What is the approximate p-value of the test?

A random sample of size 36 taken from a normally distributed population revealed a sample mean of 72 and a sample variance of 49. The upper limit of a 99% confidence interval for the population mean would equal:

A left-tailed area in the chi-squared distribution equals 0.05. What is the chi-squared table value based on 13 categories?