Need only help with #16 and #18 thank you

Final Exam v2 Final Exam v2 - BANA2081 Spring 2021, section 001, Spring 2021 | WebAssign DETAILS MY NOTES ASK YOUR TEACHER Males in the Netherlands are the tallest, on average, in the world with an average height of 182.5 centimeters (cm). Assume that the height of men in the Netherlands is normally distributed with a mean of 182.5 cm and standard deviation of 10.9. What is the probability that a Dutch male is between 172.5 and 192.5 cm? (Round your answer to three decimal places.) DETAILS MY NOTES ASK YOUR TEACHER Use the attached Student Data and an Excel PivotTable to determine the total number of Facebook Friends Business Analytics students have. 18. DETAILS MY NOTES ASK YOUR TEACHER According to a 2018 survey by Bankrate.com, 20% of adults in the United States save nothing for retirement (CNBC website). Suppose that twenty-five adults in the United States are selected randomly. What is the probability that five or less of the selected adults have saved nothing for retirement? (Round your answer to three decimal places.)