Question

Choose a real number uniformly at random in the interval [ 2 , 6 ] and call it X. a. Find the CDF of X , F X ( x ) b. Find E ( X )

Answer 1

9

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.