To check on a weight requirement for a shipment of apples, 30 apples were selected at random from the shipment and theirweights in ounces were measured. The sample mean and standard deviation are 5.9 and 1.75, respectively. 3. Find the 99% confidence interval for the population mean weight, [1. b. Without doing any calculations, what affect would increasing the sample size have on the 99% confidence interval from part A (all other things being equal)? In a survey, 1100 adults in San Luis Obispo were asked how many hours they worked in the previous week. Based on the results, a 95% confidence interval for mean number of hours worked was: (41.6, 44.3) hours. Which of the following represents a reasonable interpretation ofthe result? For those that are not reasonable, explain the flaw. a. 95% of adults in San Luis Obispo worked between 41.6 hours and 44.3 hours last week. b. We are 95% confident that the mean number of hours worked by adults in California in the previous week was between 41.6 hours and 44.3 hours. c. We are 95% confident that the mean number of hours worked by adults in San Luis Obispo in the previous week was between 41.6 hours and 44.3 hours