The core of a star must reach a temperature of degrees celsius for hydrogen fusion to begin. 10,000 100,000 1,000,000 10,000,000 100,000,000

Suppose that f left-parenthesis x right-parenthesis equals startfraction x over 8 endfraction for 3 ⁢ less-than x ⁢ less-than 5. determine the mean and variance of x. round your answers to 4 decimal places. statistical tables and charts collapse question part part 1 upper e left-parenthesis upper x right-parenthesis equals