A binomial random variable is a discrete variable that can only. take whole numerical values. In contrast, a normal random variable is. a continuous variable that can take any numerical value. P. (. X. â¤ 10) for a binomial variable is P(. X. â¤ 10.5) using a normal approximation.
Height Requirements. A child must be at least 4 feet 9 inches tall and age 13 to safely ride in the front seat, according to the Centers for Disease Control and Prevention. If your child reaches this height but hasn't reached his eighth birthday yet, he still needs to sit in a booster in the backseat.
1 Use a booster seat in the back seat until your child is big enough to use the car's seat belt.. 2  8 years old or 4 ft 9 inches tall â12 years old. 3  Have your child sit in the backseat with a seatbelt. 4  At 13 years old, your child can sit in the front seat of your car.