Answer: 12
Step-by-step explanation:
Solve for c
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending m
achine will only accept coins weighing between 5.48 g and 5.82 g. What percentage of legal quarters will be rejected? Round your answer to two decimal places.
1 answer:
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Answer: a = 8
Step-by-step explanation:
Volume of a square based pyramid is given as
.
where a is the length of the side and h is the height.
Substituting into the formula , we have
V =
128 = /3
384= X 6
Divide through by 6
384/6 =
64 =
Therefore :
a =
a = 8