Let D1;D2 be two independent four-sided fair dice. Let Z = maxfD1;D2g. Find
the joint density fD1;Z and the marginal fZ(z).

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 .