Question
In how many ways can 7 boys and 2 girls can be seated in
a row so that they are in alternate position.Solution
First boys are seated in 7 position in 7! Ways. Now remaining 2 places can be filled by 2 girls in 2! Ways. So, number of ways = 7! × 2! = 10080
Which one of the following is not an assumption of Classical Linear Regression Model
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