An alphabet wheel has 26 equally likely spaced slots numbered A to Z. Rusty bets $ 1 on one of the numbers and wins $ 20. You earn $20 if it lands on your letter; otherwise you lose your bet. The
random variable X assigns $20 to the wheel landing on letter chosen and -$1 to having the wheel land
on any other letter. What is expected value of alphabet on wheel?

Is it true or false i’m trying to pass this test so i can leave school

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).