Question

Jake tosses a coin and rolls a six-sided die.

All of the following are possible outcomes EXCEPT:

8:59 vlưEI strayer.sophia.org Question Tutorials Question 2 O Mark this question Edwin conducted a survey to find the percentage of people in an area who smoked regularly. He defined the label "smoking regularly" for males smoking 30 or more cigarettes in a day and for females smoking 20 or more. Out of 635 persons who took part in the survey, 71 are labeled as people who smoke regularly. What is the 90% confidence interval for this population proportion? Answer choices are rounded to the hundredths place. 0.09 to 0.13 O 0.09 to 0.80 O 0.11 to 0.80 O 0.11 to 0.13

Answer 1

proportion (P) is Given n = 635, x= Number of smokers = 71. .p=x 71 = 0.112 9 - 1 - - 1 -0.112 = 0.888 635 :90% confidence interval for this population [P -(1.645)/ þ + (1.645) (jpg)] = [(0,112) – (1.645) (SO = [0.09, 0.13] pq n (6-112)(0.888) (0.112) +(1.645)(((0.112)(0.888 635 635