Suppoe 90% of the car on Thika uper highway doe over 17 km per litre. A) What i the expected number and the tandard deviation of car on Thika uper highway that will do over 17 km per litre. In a ample of 15 car ? b) What i the probability that in a ample of 15 car exactly 10 of thee will do over 17km per litre?
