Question: can you please do A - D A college has 240 full-time employees that are currently covered under the school's health care plan. The average

can you please do A - D

A college has 240 full-time employees that are currently covered under the school's health care plan. The average out-of-pocket cost for the employees on the plan is $1,910 with a standard deviation of $520. The college is performing an audit of its health care plan and has randomly selected 30 employees to analyze their out-of-pocket costs. a. Calculate the standard error of the mean. b. What is the probability that the sample mean will be less than $1,850? c. What is the probability that the sample mean will be more than $1,880? d. What is the probability that the sample mean will be between $1 ,935 and $1,975? a. The standard error of the mean is . (Round to two decimal places as needed.)

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