Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14.2gdLg95% of healthy females have a hemoglobin level below 16.2 What is the standard deviation of the distdLhealthy females? Carry your intermediate computations to at least four decimal places. Round your answer to0gdLX

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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Lecture(8.6): In a statistic class 8 students took their pulse before and after writing a quiz to see if their mean pulse rate changed. A summary of the result is given below: Student 1 2 3 4 5 6 7 8 Pulse before: 98 87 74 75 85 96 85 70 Pulse after : 101 86 72 74 83 99 85 65 test the hypothsese at(alpha =.05) level of signifcance
The lifetimes of certain flies are approximately normally distributed with mean μ=1530 minutes and σ=59 minutes. What is the 6th percentile for the life expectancy of these flies? Round your answer to the nearest hundredth of a minute. 6th percentile:
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Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are normally distributed with a mean of 3.3 unitsmL. Suppose also that exactly 95% of healthy individuals have TSH levels below 6.2 unitsmL. Find the standard deviation of the distribution of TSH levels of healthy individuals. Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places.
A student who took Stat 2 last semester learns that their overall course score was at the 85th percentile. Assuming that a histogram of all the Stat 2 course scores from last semester follows the normal curve, this means that this student had a score that was how many SDs above the average score? Choose the answer that is closest. Group of answer choices 1.15 1.05 1.10 1.0 PreviousNext
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The life of a butterfly is normally distributed with a mean of 50 days. You took a random sample of 25 such butterflies. The mean life for this sample is 47 days a standard deviation of 3 days. At α = 0.05. a. Test to see if the average life of a butterfly is different from 50 days. b. Your friend believes that the life of a butterfly is less than 50 days. Is she correct?
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