Lead concentration in the eggshell of California condors have a mean of 1.8 ppm and a standard deviation of 0.3 ppm. The contamination levels of eggshells are classified as between 1.0 ppm and 2.4 ppm and high the lead concentration is above 2.4. assuming that the lead concentration of eggshells follows a normal distribution answer the following question. 15. What proportion of eggshells are predicted to fall into the “moderate" range?a. 0.76b. 0.97c. 0.66d. 1.8216. What does it mean for two events to be independent?a. the outcome of the first event does not affect the probabilities of the outcomes forthe second eventb. the probability of the first event affects the probability of the second event

It is given that the lead concentration in the eggshell has a normal distribution with mean 1.8…

Answered: 15. What proportion of eggshells are…

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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Lead concentration in the eggshell of California condors have a mean of 1.8 ppm and a standard deviation of 0.3 ppm. The contamination levels of eggshells are classified as between 1.0 ppm and 2.4 ppm and high the lead concentration is above 2.4. assuming that the lead concentration of eggshells follows a normal distribution answer the following question.

15. What proportion of eggshells are predicted to fall into the “moderate" range?
a. 0.76
b. 0.97
c. 0.66
d. 1.82
16. What does it mean for two events to be independent?
a. the outcome of the first event does not affect the probabilities of the outcomes for
the second event
b. the probability of the first event affects the probability of the second event

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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