Coursepack, p. 588 Coursepack, p. 589 MAT 133: Ch. 6 Review WS p. 4 7. According to the CDC, 7.5% of children aged 6-17 have used prescription medication during the past six months. A medical researcher randomly selects 100 children aged 6-17. (Source) a. Find the following: (Give 2 decimal places for u and o) n = p = H = O = b. Interpret u and o in the context of the situation. c. Describe P(9) in words using the context of the situation. Give calculator entries and 4 decimal places for all probabilities: d. Find the probability at least 3 of them have used prescription drugs in the past six months. e. Find the probability that between 4 and 11, inclusive, of them have used prescription drugs in the past six months. f. Find the probability that 11 of the children in the sample have used prescription drugs in the past six months. Would this be unusual? Explain