Question 1. use the above survey results to construct a 95% confidence interval for the proportion p of all ohio state university female students who would be willing to walk somewhere after dark that they would normally not go if they had a cell phone.

Za/2 = invnorm(.975,0,1) = 1.96

confidence interval:

.42 +/- 1.96*square root of ((.42)(1-.42)/305)

.42 +/- .05539

(.42 - .05539, .42 + .05539

(.36461, .47539)

Lower bound: .365 (rounded to 3 decimals)

Upper bound: .475 (rounded to 3 decimals)

Planning for the future should be as important as planning any aspect in your life. when you retire, you will be faced with a big turning point in your life such as having to deal with your personal growth, your relationship with your family and friends, and finding purpose and happiness in life. you should be prepared not just financially, but emotionally and mentally. make sure that after all the work that you've done for all your life, you find the time to relax and enjoy your retirement with your family, friends, and yourself. 

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