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Normal distribution-standard deviation

This topic has 3 replies, 2 voices, and was last updated 1 year ago by P2-D2.

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May 3, 2021 at 12:22 pm #619533
rania9
Member
- Topics: 3
- Replies: 3
The proof reader of a publishing company has estimated that the average number of typing errors per page is 2.5, with 82% of pages having between 1.5 and 3.5 errors.
If the errors per page are normally distributed, what is the standard deviation?
May 6, 2021 at 10:07 am #619844
P2-D2
Keymaster
- Topics: 4
- Replies: 6451
Hi,
How is this relevant to the F1 exam? I don’t think that is is, so cannot answer your query. Sorry.
Thanks
May 8, 2021 at 9:35 pm #620090
rania9
Member
- Topics: 3
- Replies: 3
My apologies ,I submitted it to the wrong forum ,it is for BA2.
Thank you
May 12, 2021 at 7:09 pm #620438
P2-D2
Keymaster
- Topics: 4
- Replies: 6451
Ha! No worries, easily done and hope you got your answer in the BA2 forum.
Good luck with the exam.
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