PassageLet X1,…,X10X_1,\ldots,X_{10} be i.i.d. Uniform[0,1]\mathrm{Uniform}[0,1] random variables. Suppose Y=(X1+⋯+X10)/10Y=(X_1+\cdots+X_{10})/10 is the sample mean. Based on the above data, answer the subquestions.