| The mean annual income of a worker in a certain professional category is 7) $40,000, with a standard deviation of $2000. Assuming that the distribution of income is approximately) normal, what is the probability that a worker picked at random will have he annual income between $39,000 and $42,000 ?

MATLAB: An Introduction with Applications
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7)
$40,000, with a standard deviation of $2000. Assuming that the distribution of income is
(approximately) normal, what is the probability that a worker picked at random will have
the annual income between $39,000 and $42,000 ?
The mean annual income of a worker in a certain professional category is
Transcribed Image Text:7) $40,000, with a standard deviation of $2000. Assuming that the distribution of income is (approximately) normal, what is the probability that a worker picked at random will have the annual income between $39,000 and $42,000 ? The mean annual income of a worker in a certain professional category is
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