 , 22.06.2019 20:50 alogoro

# This problem has been solved! see the answersuppose we examine the distribution of scores on the last exam separately for freshman and sophomores. both distributions are approximately normally distributed and have the same mean, but the distribution of exam scores had a smaller standard deviation among sophomores than freshman. a z-score is calculated for mary’s exam score relative to both distributions (freshman and sophomores). given that mary’s score is well above the mean, which of the following would be true about these two z-scores? a. the z-score based on the distribution for the freshman students would be higher. b. the z-score based on the distribution for the sophomore students would be higher. c. the two z-scores would be the same. d. there is not enough information to determine   ### Another question on Mathematics Mathematics, 21.06.2019 17:20
Determine the area under the standard normal curve that lies to the left of ​(a) upper z equals 0.51 commaz=0.51, ​(b) upper z equals negative 1.31z=−1.31​, ​(c) upper z equals negative 0.82z=−0.82​, and ​(d) upper z equals 0.95z=0.95. ​(a) the area to the left of zequals=0.510.51 is 0.02510.0251. ​(round to four decimal places as​ needed.) Mathematics, 21.06.2019 19:30
Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of$144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck Mathematics, 21.06.2019 19:30
Find the area of the unshaded square Mathematics, 21.06.2019 20:00
Afootball is throw by a quarterback to a receiver
This problem has been solved! see the answersuppose we examine the distribution of scores on the las...
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