Answer: 99% confidence interval would be (45.74,54.26).
Step-by-step explanation:
Since we have given that
N = 18
Mean = $50
Standard deviation = $7
At 99% confidence level, z = 2.58
So, Interval would be
Hence, 99% confidence interval would be (45.74,54.26).
Evaluate 8 a − 1 + 0.5 b 8a−1+0.5b8, a, minus, 1, plus, 0, point, 5, b when a = 1 4 a= 4 1 a, equals, start fraction, 1, divid
Fynjy0 [20]
Answer:
6
Step-by-step explanation:
We want to evaluate:
8a-1+0.5b
When a=1/4 and b=10.
We simply substitute the given values of as and b into the given expression,
The value of the expression is 6 for the give values of a and b.
Answer:
2,000. 90x20 is 1,800 and that is close to 2000.
Step-by-step explanation:
Answer:
Is this a test I cant help if not test I can help
Step-by-step explanation:
Step-by-step explanation:
a+3=−3
a=-6
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