A tree's root is 9 feet below ground and spans a radius of 6 feet. If the total length of the tree from root tip to top is 23 fe
1 answer:
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Answer:
x > 12
Step-by-step explanation:
Step 1: Subtract 8 from both sides
+ 8 - 8 > 11 − 8
> 3
Step 2: Multiply both sides by 4.
(4) () > (4) (3)
x > 12
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Answer:
The probability that the sample mean will lie within 2 values of μ is 0.9544.
Step-by-step explanation:
Here
- the sample size is given as 100
- the standard deviation is 10
The probability that the sample mean lies with 2 of the value of μ is given as
Here converting the values in z form gives
Substituting values
From z table
So the probability that the sample mean will lie within 2 values of μ is 0.9544.