Please illustrate how to solve this problem using a TI-83 calculator. I know you
ID: 3231573 • Letter: P
Question
Please illustrate how to solve this problem using a TI-83 calculator. I know you use 1-Var Stats but am not sure what values you enter in where.
C Take a Tee gle Chrome Secure Test: Final Exam Practice Submit Test This Question: 1 pt This Test: 24 pts possible 7 of 24 (5 complete In a past election, the voter tumout was 72%. In a survey, 871 subjects were asked if they voted in the election. a. Find the mean and standard deviation for the numbers of voters in groups of 871. b. In the survey of 871 people, 632 said that they voted in the election. Is this result consistent with the tumout, or is this result unlikely to occur with a tumout of 72%? Why or why not? c. Based on these results, does it appear at accurate voting results can be obtained by asking voters how they acted? a. Round to one decimal place as needed.) o- Round to one decimal place as needed) b. Is the result of 632 voting in the election usual or unusual? O A. This result is unusual because 632 is greater than the maximum usual value. O B. This result is usual because 632 is within the range of usual values. O C. This result is unusual because 632 is within the range of usual values. O D. This result is unusual because 632 is below the minimum usual value. c. Does it appear that accurate voting results can be obtained by asking voters how they acted? O A. No, because it appears that substantially fewer people say that they voted than the proportion of people who actually did vote. O B. No, because it appears that substantially more people say that they voted than the proportion of people who actually did vote. O C. Yes, because the results indicate that 72% is a possible tumout. Click to select your answer(s). 4:14 PM Type here to search 5/3/2017Explanation / Answer
a) mean =np=871*0.72=627.1
std deviation =(np(1-p))1/2 =13.3
b)as 632 falls with in 2 std deviation of mean
hence option b
c)option C is correct