Question

Question 3

a 47 MAT 152-61,-62,-65 Name Bcandon Evrs Spring 2019 Numbers in (brackets) are point values 1. Indicate whether each of the following defines a binomial random variable x You answer a ten question multiple choiee quiz that has three choices per question Numben sit alhor fo betaboe all htion comman bry purely guessing. X is defined as the number of questions which you answer correctly 13] eirele b. You pick a card from a standard deck of 52 cards, and if the card is NOT a king, you keep drawing cards (without replasement) until you draw a king. X is defined as the total number of cards drawn. (3) circle ome с. You ro u ai,of dice five times, X is defined as the total number of dice which came up-one". DI cirole 2. Use the binomial formula to find the probability of seven successes in twelve trials if the probability of success is 0.6 (No credit for binompdf on this one question)4 2:7 3. Find the mean tandard deviatign of a binomial random variable with n- 20 and p-0.4. round to one place) [3 4. Find each probability for a binomial random variable having n 12 and p 0.3 Use your binompdf and binomcdf functions. [3 each] a. P(X -4) tno m c. P(X2 7)

Answer 1