If it took 2 hours to clean 4 houses how many houses could be cleaned in 3 hours
2 answers:
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Answer:
We are 95% confident that the true proportion of U.S. adults who live with one or more chronic conditions is between 39.7% and 46.33%
Step-by-step explanation:
From the question we are told that
The sample proportion is
The standard error is
Given that the confidence level is 95% then the level of significance is mathematically represented as
=>
Generally from the normal distribution table the critical value of is
Generally the margin of error is mathematically represented as
=>
=>
Generally 95% confidence interval is mathematically represented as
=>
=>
Converting to percentage
Domain:
Range:
Explanation:
The function is
The domain of a function is the set of all input values for which the function is well defined. Generally, domain consists of all x-values of the function. Hence, the function is defined in the interval
.
The range of a function is the set of output values obtained by substituting the value of x in the function. Hence, the function is defined in the interval
.