Please help!!
The DVD disk company makes DVD's to be recorded on at are 120 mm wide. The...
Mathematics, 18.04.2020 07:27, montgomerykarloxc24x
Please help!!
The DVD disk company makes DVD's to be recorded on at are 120 mm wide. The size of the manufactured disks have a standard deviation of 1 mm. The
company manufactures 1000 DVD's an hour.
A)What % of the DVD's would you expect to be greater than 120 mm wide?
B)In one hour how many DVD's would you expect to be between 119 mm
and 121 mm?
DVD's are rejected if they are more than 122 mm wide or less than 118 mm wide? How many DVD's would you expect to be rejected one hour?
Answers: 2
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