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Category > Business & Finance Posted 13 May 2017 My Price 5.00

Random Letters Return to Exercise

Random Letters Return to Exercise 7.26 and find the approximate probability that the random sample of 1000 letters will contain 8.1% or fewer t’s.

 

Exercise 7.26

Random Letters Samuel Morse suggested in the nineteenth century that the letter “t” made up 9% of the English language. Assume this is still correct. A random sample of 1000 letters is taken from a randomly selected, large book and the t’s are counted.

a. What value should we expect for our sample percentage of t’s?

b. Calculate the standard error.

c. Use your answers to fill in the blanks: We expect ____% t’s, give or take _____%.

Answers

Alpha Geek
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Status NEW Posted 13 May 2017 10:05 AM My Price 5.00

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file 1494673013-Answer.docx preview (204 words )
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