- Vi The Table Shows The Cpi For 3 Consecutive Years What Is The Rate Of Inflation In 2020 Calculate Your Answer To One 1 (31.45 KiB) Viewed 20 times
- Vi The Table Shows The Cpi For 3 Consecutive Years What Is The Rate Of Inflation In 2020 Calculate Your Answer To One 2 (75.4 KiB) Viewed 20 times
vii. 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) 2 1 Hutagan frequencyDagram vii. Use the standard normal probability table to calculate the probability Pz<-021). (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) 108 125 130 180 139 130 199 125 175 139 Calculate the expected value of the following random variable X (2 marks) X 0 1 5 10 P(X) 0.3 02 0.1 0.4