Find the derivative of the following functions (it is to be understood that \(a, \,b,\, c,\, d,\, p,\, q,\, r\) and \(s\) are fixed non-zero constants and \(m\) and \(n\) are integers), \((x+a)\).
Which of the following can not be a valid assignment of probabilities for outcomes of sample Space \(S =\{ω_1, ω_2 , ω_3, ω_4, ω_5, ω_6, ω_7\}\)