gina writes 2 pages per hour write an equation that shows the relationship between the hours spent writing x and the total pages
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Complete Question
A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 respondents, 12 % chose chocolate pie, and the margin of error was given as plus or minus 5 percentage points.What values do , n, E, and p represent? If the confidence level is 90%, what is the value of
?
Answer:
a
is the sample proportion
is the sample size is
is the margin of error is
represents the proportion of those that did not chose chocolate pie i.e
b
Step-by-step explanation:
Here
is the sample proportion
is the sample size is
represents the proportion of those that did not chose chocolate pie i.e
is the margin of error is
Generally is the level of significance and it value is mathematically evaluated as
Where is the confidence level which is given in this question as
So