10 kids are lined up in a random order. One of the kids is named Izzy and another of the kids is named Lizzy. Let X be the random variable that denotes the number of kids in between Izzy and Lizzy in line. What is the probability that X

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days