Claire invests £200 000 in a savings account for 4 years.
The account pays compound interest at a rate of 1.6% per annum.
Calculate the total amount of interest Claire will get at the end of 4 years.

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample