Homework: Ch 11 HW Score: 0.5 of 1 pt 140130(24 complete) Hw Score: 57.62%, 17.2
ID: 3047503 • Letter: H
Question
Homework: Ch 11 HW Score: 0.5 of 1 pt 140130(24 complete) Hw Score: 57.62%, 17.29 of 30 pts %) 11.1.75 A poll by a reputable research center country survoyed, 809 said that they would continue working, Use the one-proportion plus-four proportion of all edults in the country who would continue working i# they won 10 million dollars in the lottery. Interpret your results asked. "If you won 10 milion dollars in the lonery, would you continue to work or stop working procedure to obtain a 90% orthe confidence ntonol for the The plus-four 90% confidence interval is fromto Round to three declimal places as needed. Use ascending order) 1 Clear AllExplanation / Answer
for plus 4 methd add 4 in sample size and 2 in number of success.
from above confidence interval =0.669 ; 0.713
x = 811 sample size n = 1174 sample proportion p x/n= 0.6908 std error =Se =(p*(1-p)/n) = 0.0135 for 90 % CI value of z= 1.6449 margin of error E=z*std error = 0.0222 lower confidence bound=sample proportion-margin of error 0.669 Upper confidence bound=sample proportion+margin of error 0.713Related Questions
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