Select the instances in which the variable described is binomial. Based on the parents' genetics, each of 6 children from a particular pair of parents has a 0.16 probability of having red hair. The random variable represents the total number of children from this pair of parents with red hair. A quality check on a particular product must meet five guidelines. All products are made in the same factory under the same conditions. The random variable represents the total number of products out of 35 tested that pass inspection. There are two candidates for the position of student council president, Martina and Ronnie. The random variable represents the total number out of 106 students who voted for Ronnie. The probability of drawing a queen in a standard deck of cards is 0.08. Seven cards are drawn without replacement. The random variable represents the total number of queen cards observed. A coin flip has two outcomes: heads or tails. The probability of each outcome is 0.50. The random variable represents the total number of flips required to get tails.