What are the x- and y-intercepts for the graph of 5x – 2y = 20?
2 answers:
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By definition, the area of a circle is given by:
Where,
r: radius of the circle.
Substituting the values in the given expression, we have:
Rounding to the nearest tenth we have:
Answer:
Approximately needed:
Where,
r: radius of the circle.
Substituting the values in the given expression, we have:
Rounding to the nearest tenth we have:
Answer:
Approximately needed:
Answer:
The width is
Step-by-step explanation:
From the question we are told that
The population standard deviation is
The sample size is
The sample mean is
Given that the confidence level is 99% then the level of significance is mathematically represented as
=>
=>
Next we obtain the critical value of from the normal distribution table, the value is
Generally margin of error is mathematically represented as
substituting values
The width of the 99% confidence interval is mathematically evaluated as
substituting values