Let’s focus on anders. anders lives for the weekend. if anders is grumpy, then the probability that it is a weekday is 5/6. given that it is the weekend, what is the probability that anders is grumpy? you may assume that the probabilities of it being any particular day are all equal.

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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.