Need questions 22-24

A company makes plastic cups. Four samples of 15 cups were taken from an ongoing process to establish a p chart for control. The samples and the number of defectives in each are shown in the following table: Sample n Number of Defectives 1 15 2 2 15 O 3 15 3 4 15 5 Question 22 2.53 pts What upper and lower control limits would give a 3% alpha risk? Please carry FOUR decimal places for the calculation. O [0, 0.3760] [0, 0.5717] [0, 0.2733] O [0, 0.7265] O [0, 0.4559] Question 23 2.53 pts For upper and lower control limits of 0.30 and 0, which sample(s), if any, appear(s) to be out-of- control for process proportion of defectives? Sample 2 Sample 1 Samples 1 and 4 Sample 4 Sample 3 Question 24 2.53 pts On average, what is the expected number of defectives per sample (with 15 cups each sample)? O 2.5 5.2 O o 2.0 O 3.3 O 10