please reply quickly thanks a lot R number in grades will be taken as 1

4) (25) Suppose an insurance firm has three groups of insured people who have claim distriburi of the form: 30% of claims follow a LN (= 110.,02 = 100) distribution, 25% of claims folow a LN (n = 120., 02 = 200) distributionstion and 45%. of claims folow a LN ( = 130,02 = 300) How much should the company reserve in order to meet all claims with 9R% confidence level.i) in a year ii) in 4 months iii) in a month iv) in 10 days time. Covariance matrix reads as -20 30 S= -20 200 -- 10 30 -- 10 300 Note: R is the last digit of student registration number. 100 4) (25) Suppose an insurance firm has three groups of insured people who have claim distriburi of the form: 30% of claims follow a LN (= 110.,02 = 100) distribution, 25% of claims folow a LN (n = 120., 02 = 200) distributionstion and 45%. of claims folow a LN ( = 130,02 = 300) How much should the company reserve in order to meet all claims with 9R% confidence level.i) in a year ii) in 4 months iii) in a month iv) in 10 days time. Covariance matrix reads as -20 30 S= -20 200 -- 10 30 -- 10 300 Note: R is the last digit of student registration number. 100