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The Random Variable X Is Defined as the Number of Mistakes

question 83

Short Answer

The random variable x is defined as the number of mistakes made by a typist on a randomly chosen page of a physics thesis. The probability distribution follows.
$The random variable x is defined as the number of mistakes made by a typist on a randomly chosen page of a physics thesis. The probability distribution follows. Round your answer to four decimal places, if necessary. a. What is E(x)? ______________ b. Find . ______________ c. Find P(x < 1). ______________ d. Find . ______________ e. In what fraction of pages in the thesis would the number of mistakes made be within two standard deviations of the mean? ______________$ Round your answer to four decimal places, if necessary.
a. What is E(x)?
______________
b. Find
$The random variable x is defined as the number of mistakes made by a typist on a randomly chosen page of a physics thesis. The probability distribution follows. Round your answer to four decimal places, if necessary. a. What is E(x)? ______________ b. Find . ______________ c. Find P(x < 1). ______________ d. Find . ______________ e. In what fraction of pages in the thesis would the number of mistakes made be within two standard deviations of the mean? ______________$ .
______________
c. Find P(x < 1).
______________
d. Find
$The random variable x is defined as the number of mistakes made by a typist on a randomly chosen page of a physics thesis. The probability distribution follows. Round your answer to four decimal places, if necessary. a. What is E(x)? ______________ b. Find . ______________ c. Find P(x < 1). ______________ d. Find . ______________ e. In what fraction of pages in the thesis would the number of mistakes made be within two standard deviations of the mean? ______________$ .
______________
e. In what fraction of pages in the thesis would the number of mistakes made be within two standard deviations of the mean?
______________

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