47.5% At least one of the answers above is NOT correct. (3 pts) The distribution

Question

47.5% At least one of the answers above is NOT correct. (3 pts) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 Inches. Use what you know about the EMPIRICAL RULE to answer the following. NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT (without the quotes). If your answer is in inches, such as 10 inches, enter: "10 INCHES" (without the quotes and with a space between the number and the INCHES). If your answer is an interval, such as 14 to 15 inches, then enter: "14 TO 15 INCHES" (withou a whole number. Your answer must be entered in the correct formt. t the quotes). Do not use extra zeros and do not include a decimal point unless your answer is not (a) Fill in the blank: Approximately 2.5 percent of all men are shorter than Answer: 64.1001 (b) The heights of the middle 95 percent of men will fall within what interval? Answer: (64, 74) (c) Approximately what percent of men are between 69 and 74 inches? Answer: 47.5% Note: You can earn partial credit on this problem Preview Answers Submit Answers 9D

Explanation / Answer

a) approximately shorter than 2.5)

= 69-2.5*2

= 64

b) Height of middle 95

Lower limit = 69-2.5*2 = 64

Upper limit = 69+2.5*2 = 74

c) (95%-50)

= 45%

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.