Step 1 :The problem is asking for the mean and variance of a binomial distribution. The mean and variance of a binomial distribution can be calculated using the formulas: Mean, \(\mu = np\) and Variance, \(\sigma^{2} = np(1-p)\) where n is the number of trials and p is the probability of success. In this case, n = 6 (the number of adults selected) and p = 0.76 (the percentage of adults who think political correctness is a problem).
Step 2 :We have already been given the mean, \(\mu = 4.6\). Now we need to calculate the variance.
Step 3 :Given n = 6 and p = 0.76, we can substitute these values into the formula for variance: \(\sigma^{2} = np(1-p)\).
Step 4 :Substituting the given values, we get variance = 1.0944.
Step 5 :Rounding to the nearest tenth, the variance of the binomial distribution is \(\boxed{1.1}\).