A 95% confidence interval for the true proportion of women surviving their husbands is (0.561, 0.724). Recently a survey of 2,500 seniors receiving Social Security payments conducted by HHS reported that only 52.9% of women survived their husbands. Based on the confidence interval, is there sufficient evidence to suggest that the true proportion of women surviving their husbands is higher than 52.9%

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.