What percent of values lie within 1 standard deviation of the mean?
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What percent of values lie within 1 standard deviation of the
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- The height of men in the United states fits with a normal distribution with a mean of 70 inches and a standard deviation of 3 inches. What height represents the 50th percentile of men heights in the United states?The annual per capita consumption of oranges (in pounds) in the United States can be approximated by a normal distribution. The mean annual per capita of oranges is 19.2 with a standard deviation of 4 pounds. what annual per capita consumption of oranges represents the 5th percentile?Arsenic is a compound that occurs naturally in very low concentrations. Arsenic blood concentrations in healthy adults are Normally distributed, with mean ?=3.2 micrograms per deciliter (?g/dl) and standard deviation ?=1.5 μg/dl . What is the range of arsenic blood concentrations corresponding to the middle 90% of healthy adults? Use Table B or technology to find the proper values
- Assume that the mean amount of coffee dispensed is 6 ounces and a standard deviation is 0.5 ounce use the empirical rule. What percent of cups should have at least 6 ounces and what percent of cups should have less then 4.5 ounces of coffee?True or False. The standard deviation of the mean is less than the sample standard deviation because it estimates the variation of averages, which are more precise than single observations.The empirical rule estabilishes the percentages that are 1,2, and 3 deviations from the mean True Flase
- Find out mean deviation from mean by applying direct method from the following distribution: Values: 48, 50, 46, 44, 40, 42, 35, 30, 20, 15.Average weight of newborn babies is bell-shaped with mean of 3325 grams and standard deviation of 571 grams. What percent of newborn babies weight between 2183 grams and 4467 grams?About what percent of x values lie between the second and third standard deviation (both sides)?
