For a standard normal distribution, what is the mean and standard deviation? A. u = 1 and = 1
B. u = 0 and 6 = 0
C. u = 1 and = 0 5
D. u = 0 and 6 = 1​

300

step-by-step explanation:

28-600w < 300

28-600w > 300

600-28w < 300

600-28w > 300

y/x=18

step-by-step explanation:

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)