Margin of error formula:
ME = z * (Sigma) / √ n
z = 1.96 for a 95 % confidence interval;
Sigma = 3 ( the population standard deviation )
n = 500
ME = 1.96 * 3 / √500 =
= 1.96 * 3 / 22.36 =
= 5.88 / 22.36 = 0.263
Answer:
The margin error for a 95% confidence interval is 0.263.
<span>Round this to the nearest thousand. 4,589,215
= </span>4,589,000
Answer:
13.018
Step-by-step explanation:
14.15 minus 8 percent = 13.018
The ratio of flowers to bouquets is
64:8
With 80 flowers, the ratio would be
80:x
so...
64:8 divide each by 8 to get 8:1
multiply each by 10 to get
80:10
10 bouquets
Answer:
28 t-shirts
Step-by-step explanation:
x = # of t-shirts
12x = 336
x = 28
