An inflatable raft that you have jumped in to escape the monsters has 4500 cubic inches of air inside it when fully inflated. It
1 answer:
Answer:
2628.48 cubic inches
Step-by-step explanation:
The inflatable raft has 4500 cubic inches of air inside it when fully inflated.
The inflatable raft loses air at a rate of a decrease 6.5% each day.
Now, we have to calculate the volume of air that will be left in the raft after 8 days.
Therefore, the volume of air left in the raft after 8 days will be cubic inches. (Answer)
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Answer:
a) 25
b) 49
c) 97
Step-by-step explanation:
The sample size is calculated using the formula, n =
Now,
for 95% confidence level value of z-factor = 1.96
Given:
Mean = $3.94
standard deviation = $0.25
thus,
a) for margin of error = $0.10
n =
or
n =
or
n = 4.9²
or
n = 24.01 ≈ 25 (Rounded off to next integer)
b) for margin of error = $0.07
n =
or
n =
or
n = 7²
or
n = 49
c) for margin of error = $0.05
n =
or
n =
or
n = 9.8²
or
n = 96.04 ≈ 97 (Rounded off to next integer)