Mah 1272 628/18 Esam 4 less than d positive a equal to b. segative eequal to d p

Question

Mah 1272 628/18 Esam 4 less than d positive a equal to b. segative eequal to d postive A. 10 Q which of the llowing is an example of a hinomial experinenn a Rolling s die 10 times and observing for snumber h Selecting five pesns and observing whether they are in favor of an ie, againot it, or have so opinion Tossing a coin 20 times and observing for a head or tai Drewing theee marbles from a box that ootains red, Nue, and yellow marbles Part 2 Directions Show all work on the examination paper When using the calculeor, you MI.SI write the function butonts) you sed to determine your answers Do sot just write s mimber as an anower-yo MLSI write down what the mimber sepresents 11. A eacher selects two students at random from a group of 18 for being members of a commince How many sotal combinations are possible 12. An archeology club has 38 members. How many different ways can the club select a president. vice president, treasurer and secretary? 12. 15) 13, a student must choose from 7 classes to take at 8:00 am, 4 classes to take at 9:00 am and 3 classes to take at 10:00 am. How many ways can the student arrange the schedule? 13

Explanation / Answer

8) z value to the left of mean is always negative

9) z value for the mean is always equal to zero

10) tossing a coin 20 times and observing for a head or a tail is binomial distribution

11)total combinations possible =18!/2!/16! = 9*17 =153

12) number of ways to select= 38!/34! =1771560

13) number of ways to arrange schedule = 7*4*3 = 84

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