please show your calculation

10. The below shows the frequency of weights of 60 female students at a college. Measurement has been recorded to the nearest kilograms (kg). Weight Class Boundaries midpoint Number of Students Lower Upper 30-34 Cumulative frequency 35-39 40-44 45-49 14 50-54 17 55-59 3 60-64 6 Reproduced the above table and fill in the blanks 11. The average cholesterol content of certain brand of eggs is 215mg with a population standard deviation of 15mg. A random sample of 40 eggs is selected and assumes the variable is normally distributed. i. Determine the standard deviation of the sample mean. ii. Find the probability that the average cholesterol content will be more than 218mg. iii. Find the probability that the average cholesterol content will be between 212mg and 216mg. 2 5 8