Using the simple random sample of weights of women from a data set, we obtain these sample statistics: nequals45 and x overbarequals149.27 lb. research from other sources suggests that the population of weights of women has a standard deviation given by sigmaequals30.72 lb. a. find the best point estimate of the mean weight of all women. b. find a 99% confidence interval estimate of the mean weight of all women

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

Question 5 spring semester final exam math evaluate

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)