Which pair does not represent the probabilities of complementary events?
StartFraction 4 over 7 EndFraction and StartFraction 3 over 7 EndFraction
16% and 84%
0.25 and 0.50
0 and 1

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

How many zeroes do we write when we write all the integers 1 to 243 in base 3?