Agroup of 500 transistors is known to contain one defective unit. what is the probability that a transistor selected at random from the lot is the bad one? 1/500 499/500 1/499

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

X+y=-4 x-y=2 use elimination with adding and subtraction