Find the total surface area of this triangular prism 8cm 30cm 24cm 7cm
1 answer:
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Answer:
a) 38
Step-by-step explanation:
The normal distribution can be applied if:
and
In this question:
Then
a) 38
n = 38.
Then
38*0.27 = 10.26
38*0.73 = 27.74
Satisfies. But is this the smallest sample of the options which satisfies.
b) 14
n = 14
Then
14*0.23 = 3.22
14*0.77 = 10.78
Does not satisfy
c) 10
Smaller than 14, which also does not satisfy, so 10 does not satisfy.
d) 48
Greater than 38, which already satisfies. So the answer is a)