The following figures show the distribution of digits in numbers chosen at random from a telephone directory. Digit 0 1 2 3 4 5 6 7 8 9 Frequency 1026 1107 997 966 1075 933 1107 972 964 853 Test at 5 % level whether digits may be taken to occur equally frequently in the directory.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The following figures show the distribution of digits in numbers chosen at random from a telephone directory.

Digit 0 1 2 3 4 5 6 7 8 9
Frequency 1026 1107 997 966 1075 933 1107 972 964 853

Test at 5 % level whether digits may be taken to occur equally frequently in the directory.

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