Good morning Please answer all questions The time taken by employees at Grace Floral shop to put a bouquet together has a normal distribution with mean 26.4 minutes and standard deviation .8 minutes.   (i)      Find the probability that an employee chosen at random takes between 24.6 and 27.8 minutes to put a bouquet together.             (ii)     12% of employees take more than t minutes to put a bouquet together. (ii) Find the value of t.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Please answer all questions

The time taken by employees at Grace Floral shop to put a bouquet together has a normal distribution with mean 26.4 minutes and standard deviation .8 minutes.

  (i)      Find the probability that an employee chosen at random takes between 24.6 and 27.8 minutes to put a bouquet together.           

 (ii)     12% of employees take more than t minutes to put a bouquet together. (ii) Find the value of t.                                                        

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