Find the population mean or sample mean as indicated.
Sample: 18, 16, 4, 9, 23

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

17

step-by-step explanation:

51/3=17

thus 17 is your answer.

table a is wierd

step-by-step explanation:

6*f