Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14.2 g/dL. Research shows that exactly 95% of healthy females have a hemoglobin level below 15.8 g/dL. What is the standard deviation of the distribution of hemoglobin levels in healthy females? Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places.[Image of an input box with the unit "g/dL" and three icons: an "x," a circular arrow, and a question mark.]

Answered: Image /qna-images/answer/8a4cda01-84b0-4615-802f-04635cf81d41.jpg

Answered: Suppose that the hemoglobin levels…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14. Research shows exactly 95% of healthy females have hemoglobin levels below 15.9. What is the standard deviation of the distribution of hemoglobin levels in healthy females?carry computations to four decimal places and round your answer to two.
A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026 h with a standard deviation of 86 h.Find the z-score for lightbulbs which last 910 h. (Round your answer to two decimal places.) 910 h: z =
Calcium levels in people are normally distributed with a mean of 9.4 and a standard deviation of 0.4 . Individuals with calcium levels in the bottom 10% dL of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.
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Attenuation is the reduction of the amplitude of a signal, electric current, or other oscillation. With maximum attenuation, a scanner will not be able to read a bar code at a fixed distance. After substantial amount of data collection, a group of instrumentation engineers decided to model a variation of maximum attenuation of scanners as a normal distribution with a mean of 10.1 decibels and standard deviation of 2.7, same unit. What proportion of the products have maximum attenuation greater than 15.1 dB? 0.0718 none of these 0.0322 0.0214
Suppose that a category of world class runners are known to run a marathon (26 miles) in an average of 146 minutes with a standard deviation of 13minutes. Consider 49 of the races.Let X = the average of the 49 races. Find the 60th percentile for the average of these 49 marathons. (Round your answer to two decimal places.)min
Assume that the mean height of men in the United States is 70 inches, with a standard deviation of 3 inches. A particular man is 80 inches tall. Find the z-score of his height. (Round to two decimal places.)
Calcium levels in people are normally distributed with a mean of 9.7 mgdL and a standard deviation of 0.5 mgdL . Individuals with calcium levels in the bottom 10% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.
The value of Beta with hat on top =2.8 is a statistic. True or false. Explain.
A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1025 h with a standard deviation of 83 h.Find the z-scores for lightbulbs which last 850 and 900 h. (Round your answers to two decimal places.) 850 h: z = 900 h: z =
Hemoglobin levels in adult males are normally distributed with a mean of 14.5 g/dL and a standard deviation of 0.6 g/dL. The normal hemoglobin range for men is 13.8 g/dL to 14.9 g/dL. What percentage of men have hemoglobin levels in the normal range? Round your answer to four decimal places. If we randomly collect samples of men with 19 in each sample, what percentage of those samples have a mean hemoglobin level that is within the normal range? Round your answer to four decimal places

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