Researchers took 10 randomly selected hockey fans and measured how much money they spent on food at a single hockey game The sampled results show that the sample mean and standard deviation were 12 00 and 3 45 respectively Use this information to create a 90 confidence interval of the mean We assume the population distribution is normal Express the answer in the form point estimate percentile se O 12 1 509 O 12 1 959 O 12 1 977 O 12 1 795 O 12 1 999