In a random sample of 15computers, the mean repair cost was $ 100 and the standard deviation was $ 42.50 Assume that the repair cost of computers follows a normal distribution. construct a 95% confidence interval for the mean repair cost of computers. ​

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .