The mean of 10 observations is 20 and standard deviation is 15. If 5 is added to each observation, the new mean is ______ and standard deviation is ________
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Answer:
Step-by-step explanation:
Given:
The circumference of the base of cylinder is 30.8cm.
Its curved surface area is 289.52 cm ²
To Find:
Height of cylinder
Solution:
Using formula:
Circumference of cylinder = 30.8 cm
Now,
CSA of cylinder= 2πrh
Hence,
Height of cylinder is 9.4cmAnswer:
Step-by-step explanation:
Given:
The circumference of the base of cylinder is 30.8cm.
Its curved surface area is 289.52 cm ²
To Find:
Height of cylinder
Solution:
Using formula:
Circumference of cylinder = 30.8 cm
Now,
CSA of cylinder= 2πrh
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