A shipping company wants to know how many damaged containers will found in their container ships. A cargo operator claims that there is an average of 6.5 damaged container per ship. A random sample of 50 container ships are checked and found out that there Is an average of 8 damaged containers per ship. Due to some circumstances, It got a standard deviation of 0.5. a. What is the best point estimate of the true mean of the damaged containers per ship? ANSWER: b. What Is the standard error of this point estimate? ANSWER: e. What Is the margin of error for this point estimate? ANSWER: d. What is the 959% confidence Interval for the true mean of the damaged containers per ship? "Answer should be In this format 2 15-3.02) ANSWER e. Do you think the claim of the cargo operator Is valid? Answerable BY VALID or INVALID)