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According to a 1992 study, adult body temperatures are normally distributed with a mean of 98.20⁰ F and a standard deviation of 0.73⁰ F. What body temperature represents the 75th percentile for adults?

In a recent Gallup survey, participants were asked whether they planned to spend more, less, or about the same on Christmas this year compared to last year. Results of the survey are summarized in the table below by gender. Christmas Spending Gender More Less About the Same Total Male 77 104 314 495 Female 48 182 300 530 Total 125 286 614 1025 What is the probability that a randomly selected participant is female or plans to spend more on Christmas this year?

According to a 1992 study, adult body temperatures are normally distributed with a mean of 98.20⁰ F and a standard deviation of 0.73⁰ F. What is the probability that a randomly selected sample of 25 adults has a mean body temperature of less than 98.15° F? 

According to a Pew Research Center survey, 30% of American adults have used an online dating site. Six American adults are randomly selected and asked if they have used an online dating site. What is the probability that at most 5 have used an online dating site? 

According to a Pew Research Center survey, 30% of American adults have used an online dating site. Six American adults are randomly selected and asked if they have used an online dating site. What is the standard deviation of the number who have used an online dating site for random samples of six American adults? 

For the following 5th order equation   its characteristic equation         has solutions     Which of the following is a fundamental set of solutions of the given  equation?

Which of the following is a suitable form for a particular solution  of the equation      

(6 points for the correct answer; 2 bonus points if you have correctly answered 7 questions among questions 1 through 9.)  Consider the differential equation

10-A (10 points) Consider the initial value problem            

Determine a lower bound for the radius of convergence of series solutions about  for the differential equation