Normal distribution problems: Empirical rule
10:25
Normal distribution problems: Empirical rule
Feb 20, 2011
Khan AcademySal Khan
The Normal model N(69,3) describes the distribution of male heights in the United States. Which of the following questions asks for a probability, and which asks for a measurement? Identify the type of problem and then answer the given question. See page 316 for guidance. a. To be a member of the Tall Club of Silicon Valley a man must be at least 74 inches tall. What percentage of men would qualify for membership in this club? b. Suppose the Tall Club of Silicon Valley wanted to admit the talles
The Normal model N(69,3) describes the distribution of male heights in …
Jun 20, 2021
numerade.com
SOLVED:The following graph shows the heights for a large group of adults. Describe the distribution, and explain what might cause this shape. (Source: www.amstat.org)
SOLVED:The following graph shows the heights for a large group of ad…
Jun 20, 2021
numerade.com
The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches. Draw a Normal curve on which this mean and standard deviation are correctly located. (Hint: Draw the curve first, locate the points where the curvature changes, then mark the horizontal axis.) | Numerade
The distribution of heights of adult American men is approximately N…
Feb 17, 2020
numerade.com
The distribution of heights of adult men is approximately normal with a mean of 69 inches and a standard deviation of 2 inches. Bob's height has a Z-score of -0.5 when compared to all adult men. Consider the following 3 statements. Which of these statements are true? (There could be more than one correct statement)A. Bob is shorter than 69 inches tall.B. Bob's height is half of a standard deviation below the mean.C. Bob is 68 inches tall.
The distribution of heights of adult men is approximately normal with …
Oct 18, 2021
numerade.com
Normal Distribution (Bell Curve): Definition, Word Problems
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Normal Distribution (Bell Curve): Definition, Word Problems
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SOLVED: The heights of adult men in America are normally distributed, with a mean of 69.1 inches and a standard deviation of 2.63 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.8 inches and a standard deviation of 2.55 inches.a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are SHORTER than 6 feet 3 inches? Round to the nearest tenth of a percent. %c) If a woman is 5 feet 11 inches
SOLVED: The heights of adult men in America are normally distribute…
Oct 5, 2022
numerade.com
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