The probability of success is 0.6 for each trial. find the probability of each: 13 successes in 24 trials 9 successes in 20 trials 6 failures in 12 trials ! honestly clueless. only have a few days of school left.

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.