Question

6. [20 Points) In a poll, 202 of 1010 randomly selected adults aged 18 or older stated that they believe there is too little spending on national defense. Use this information to complete parts (a) through (c) below 2. Obtain a point estimate for the proportion of adults aged 18 or older who feel there is too little spending on national defense. b. Construct a 90% confidence interval for the proportion of adults aged 18 or older who believe there is too little spending on national defense. c. Use the results of part (b) to construct a 90% confidence interval for the population proportion of adults aged 18 or older who do not believe there is too little spending on national defense.

Answer 1

Ans! 2011 The point estimate for the proposteon of adults aged 18 or older leto feel there is too ed the spending on mattoniced defense = 202 1010 - 10.2 (b) The gol, confidence interval for the proportion of aduers aged or older who believe there is too little spending on scetonal defense = +zalag 0:2 +1.645x 0.280.8 (0.179295,0.220705) 1010 tc) The 909, confidence towerval for the proportion of andeelts aged 18 or older como lo not believe there di tooo little spending on national defense | -- Opper Umit, I -- lower Lelmint 1 - 0220705, 1-0-179295 = (0.779295, 0.820705 ) CS Scanned with CamScanner