Assume the speed of vehicles along a stretch of i-10 has an approximately normal distribution with a mean of 71 mph and a standard deviation of 8 mph. the current speed limit is 65 mph. what is the proportion of vehicles less than or equal to the speed limit?

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.