This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

What is the range for 31,39,29,34,37,24,36,33,34,28

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.