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For each probability and percentile problem, draw the picture.

For each probability and percentile problem, draw the picture.


A random number generator picks a number from 2 to 9 in a uniform manner



Part C


Enter an exact number as an integer, fraction, or decimal.

f(x) = _____ ,  where  2 ≤ x ≤  9

 








Part (d)


Enter an exact number as an integer, fraction, or decimal.

μ =  _________


Part (e)


Round your answer to two decimal places.

σ =  ___________


Part (f)


Enter an exact number as an integer, fraction, or decimal.

P(3.5 < x < 7.25) =  __________

  

Part (g)


Round your answer to two decimal places.

P(x > 3.67) =____________  


Part (h)


Enter an exact number as an integer, fraction, or decimal.


P(x > 7 | x > 5) =_______________  

  

Part (i)


Find the 80th percentile. (Round your answer to one decimal place.)


_____________

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