The following data give the observed frequencies of errors per page of unread page proofs for a

Question:

The following data give the observed frequencies of errors per page of unread page proofs for a sample of 40 pages from a certain journal publisher.
Errors/ Page Observed Frequencies
0…………………………….. 5
1…………………………….. 9
2…………………………….. 5
3…………………………….. 7
4…………………………….. 4
5…………………………….. 2
6…………………………….. 3
7…………………………….. 2
8…………………………….. 1
9…………………………….. 0
10…………………………… 2
Conduct a test to determine whether the errors per page follow a Poisson with a mean rate of 3.2. Use a = .10.
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