the number of rows is 3 and the degree of freedom is 10 in a contingency table created for the chi-square independence test, how many columns are there?

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A: From provided information; it is given that chi-square contingency table is of 4 rows and 3 columns.

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Q: In order to conduct an​ experiment, 4 subjects are randomly selected from a group of 49 subjects.…

A: In order to conduct an​ experiment, 4 subjects are randomly selected from a group of 49 subjects.…

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A: Given,A single die is thrown once.