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(1) => R can be 1 or -1 => insuff (2) => R can be 1 or 2 => insuff

(1) & (2) => R = 1

(C) as well, I agree

To complete the stat 1 analysis, we have also R=0 as a possibility. 0! = 1

In (2), isn't |R| = -R or R? If so, how can -R = R!. Can we "factorialize" a negative #? Same question w/stmnt. 1. Isn't (|R|) = (R) or (-R). I'm prob missing something.

(1) => R can be 1 or -1 => insuff (2) => R can be 1 or 2 => insuff

(1) & (2) => R = 1

(C) as well, I agree

To complete the stat 1 analysis, we have also R=0 as a possibility. 0! = 1

In (2), isn't |R| = -R or R? If so, how can -R = R!. Can we "factorialize" a negative #? Same question w/stmnt. 1. Isn't (|R|) = (R) or (-R). I'm prob missing something.

(1) => R can be 1 or -1 => insuff (2) => R can be 1 or 2 => insuff

(1) & (2) => R = 1

(C) as well, I agree

To complete the stat 1 analysis, we have also R=0 as a possibility. 0! = 1

In (2), isn't |R| = -R or R? If so, how can -R = R!. Can we "factorialize" a negative #? Same question w/stmnt. 1. Isn't (|R|) = (R) or (-R). I'm prob missing something.