6) The time spent by a customer at a checkout counter has mean 4 minutes and standard deviation 2 minutes. a. What is the probability that the total time taken by a random sample of 50 customers is less than 180 minutes? b. Find the 30th percentile of the total time taken by 50 customers.

Me asap the graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants according to the line of best fit about how many ounces of frozen yogurt can someone purchase for $5? 1 cost of frozen yogurt 1.5 2 13 15.5 cost (5) no 2 4 6 8 10 12 14 16 18 20 size (oz)