She doesn't understand that gallons aren't quarts. There are 4 quarts in a gallon so Micki actually bought 16 Quarts of apple cider.
In this case, since the standard deviation is known and
the sample size is less than 30, we will use the t-distribution. The formula
for calculating the confidence interval is:
Confidence Interval = X ± t * s / sqrt(n)
Where,
X = sample mean = $664.14
t = t score (taken from standard distribution tables)
s = standard deviation = $297.29
n = sample size = 14
At Degrees of Freedom = n – 1 = 13 and 98% Confidence
interval, z = 2.65
Substituting the values in the equation:
Confidence Interval = 664.14 ± 2.65 * 297.29 / sqrt(14)
Confidence Interval = 664.14 ± 210.55
Confidence Interval = 453.59 to 874.69
<span>
ANSWER: <span>
$453.56
< CI < $874.72</span></span>
Answer:
second one
Step-by-step explanation:
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there are atleast 4 pair of parallel faces shown
