Fill in the blanks

32. If the occurrence of one event does not affect the occurrence of another event, then the two events are _______

33.The branch of statistics that focuses on collecting, summarizing and presenting a set of data is called________statistics:

34.Thet-distribution is similar to a normal distribution. However thet-distribution is_______

35.The annual ground coffee expenditures for households are approximately normally distributed with a mean of $45.00 and standard deviation of $12.00. 95% of the households spent less than what amount (answer to 2 decimal places)? __________