the least common multiple is 1,020 :)
Answer:
74
Step-by-step explanation:
its right
15X=12X+12
Subtract 12X
3X=12
X=4
Answer:
0.0475
Step-by-step explanation:
Given that :
Area To the left :
P(Z < 550) = 0.0475 ; that is proportion who scored better than of 550 has a Zscore of 0.0475.
Hence, percentage of students who scored better than she did will be 0.0475