5:34 H+ ... 08% + Add signature Share 3/12 B6AF104 VIT The histogram below shows the ages of employees in a company. By

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5 34 H 08 Add Signature Share 3 12 B6af104 Vit The Histogram Below Shows The Ages Of Employees In A Company By 1 (48.97 KiB) Viewed 18 times

5:34 H+ ... 08% + Add signature Share 3/12 B6AF104 VIT The histogram below shows the ages of employees in a company. By what percentage are there less people in the 60-70 age group than in the 50-60 age group? (2 marks) 6 5 4 4 4 3 1 2 1 0 20 30 70 40 50 60 Histogram frequency Diagram ( viil. Use the standard normal probability table to calculate the probability Plz<-0.21). (3 marks) ix The data below shows the price of a litre of milk (in cents) at a random sample of 10 supermarkets in Dublin. Calculate the mean and standard deviation of the prices, (3 marks) 108 125 130 180 139 125 130 175 199 139 X (2 marks) Calculate the expected value of the following random variable X X 0 1 5 5 10 P(X) 0.3 02 0.1 0,4 Page 3 of 12 86AF104 ANSWER ANY 3 OF QUESTIONS 2, 3, 4, 5 AND 6 , 4,5 QUESTION 2: FINANCIAL MATHEMATICS (Total 25 marks) 1 The table below shows the cash flows generated by an investment. The discount rate for + Add signature = III