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Vinvika [58]
3 years ago
11

Someone give me the answer to this problem please ☺️☺️

Mathematics
1 answer:
Softa [21]3 years ago
4 0
SA = 2 * pi * r^2 + 2 * pi * r * h
r = 1
h = 4
pi = 3.14
now sub
SA = 2(3.14)(1^2) + 2(3.14)(1)(4)
SA = 6.28(1) + 6.28(4)
SA = 6.28 + 25.12
SA = 31.4 sq ft

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The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

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A confidence interval has the following format.

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\mu_{x} + M = 28 + 2.2 = 30.2

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