Cassie is training for a marathon. she has been recording her miles in a journal leading up to race day. the following table shows some of her results.
on sunday, cassie didn't run any miles. what could be a possible cause for this outlier?
day mon tues wed thur fri sat sun mon tues
number of miles 8 8 10 12 10 8 0 5 8

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.