A factory manager wants to make a control chart to monitor thefraction of defective productsfrom the production line. He inspected 10 batches and each batch has 50 products. Across all batches, the average fraction of defective product is 0.35. Compute thelower control limit (LCL)for the chartat the 90% confidence level.

Note:

1- Round your final answer to2 decimal places.

2 - You need to first decide which control chart to use.