Work out the z scores for 51 and 54
z1 = (51 - 57.5) / 6.5 = -1
z2 = (64 - 57.5)/6.5 = 1
from tables of normal distribution this value os 3413 + 3413 = 68.26%
so the answer is c
Q8 (division sign) 4
sorry my macbook doesn't have a division sign
C = 3.5t....when t = 15
c = 3.5(15)
c = 52.50 <==
Answer:
let p be the population proportion of parents who had children in grades k-12 were satisfied with the quality of education the students receive.
Step-by-step explanation:
Answer:
it will take her 2 hours and 45 minutes