has approximately a standard normal distribution. Now
Chapter 7, Problem 7.26(choose chapter or problem)
has approximately a standard normal distribution. Now proceedas in the derivation of the interval for p by making a probabilitystatement (with probability 1 ) and solving theresulting inequalities for (see the argument just after (7.10)).]Number ofabsences 0 1 2 3 4 5 6 7 8 9 10Frequency 1 4 8 10 8 7 5 3 2 1 1
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