If a distribution has a mean of 60 and a standard deviation of 5, what value would be -2 standard deviation from the mean?
A. 55
B. 50
C. 65
D. 70

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Identify the number 127 as a rational or irrational. explain