Wgu c955 exam 2023 - Study guides, Class notes & Summaries

WGU C955 Applied Probability and Statistics Final Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A

What is the probability of someone having a birthday in March or December? a 1/6 b 1/4 c 1/3 d 1/2 -ANSWER 1/6 The table below shows the breakdown of workers at a business. What is the probability of selecting a worker who is over 45 years of age to the nearest hundredth? Age 18−25 26−44 45+ Total Male 75 200 125 400 Female 50 225 100 375 Total 125 425 225 775 a 0.16 b 0.29 c 0.42 d 0.55 -ANSWER 0.29 The table below shows the breakdown of workers at a business...

Histogram - ANSWER-A graphical representation -- bars, measuring the frequency within each interval Skewed right - ANSWER-Not a symmetric distribution, the tail is on the right Measures of center - ANSWER-Median, the mean (and mode) Measures of spread - ANSWER-Range, IQR & standard deviation Standard Deviation Rule - ANSWER-68% of the data are within 1 standard deviation, 95% are within 2, 99.7% are within 3 standard deviations from the mean. median (for center) & IQR (for spr...