Question 1 2 3 45 67 99 1011 12 13 14 15 16 17 18 19 20 Total 12-128/82/2 1414 4

Question

Question 1 2 3 45 67 99 1011 12 13 14 15 16 17 18 19 20 Total 12-128/82/2 1414 4.35/166/621222 214 67 2 2/2 6s -2-2-2-8-4-12-1267.3s12s(53.9%) Assignment Submission For this assignment, you submit answers by question parts The number of submissions remaning for each question part only changes you submit or chwge the answer Fail15 Instructions Assignment Scoring Your last submission is used for your scone Question 5a (the graph) is worth 0 points The rest of the question is worth points, just put something for part b and move anto the rest of the question My N 18. 4 points BBBasicStat BR.009 ensive st of 3017 wage and salaried workers on issues ranging from relationships with their bosses to household chores. The data were gathered through hour-long telephone A research group interviews with a nationally representative sample. In response to the question, "What does success mean to you?" 148 1 responded, "Personal satisfaction from doing a good job. Let p be the population proportion of all wage and salaried workers who would respond the same way to the stated question. Find a 90% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Your work n questorts) 19, 2 will also be suontted or saved

Explanation / Answer

p = 1481/3017 = 0.49

At 90% confidence interval the critical value is 1.645

The confidence interval is

p +/- z* * sqrt (p * (1 - p)/n)

= 0.49 +/- 1.645 * (0.49 * 0.51 /3017

= 0.49+/- 0.015

= 0.475, 0.505

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