) Calculate and interpret a 90% confidence interval for the average IQ of mothers of gifted children. Round your answers to 2 decimal places. The lower bound for the confidence interval is: 116.37 Incorrect (please round to two decimal places) The upper bound for the confidence interval is: 120.03 Incorrect (please round to two decimal places)

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

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?

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income