Mathematics, 31.01.2020 04:45 sobell7725
The mean score of a mathematics placement exam is 125 with a standard deviation of 12.51. those who score i the bottom 20% are required to take a remedial course. assuming the data are not normally distributed, what is the lowest score you can get and not have to take the remedial math class?
Answers: 2
such that
is the cutoff score in terms of this new distribution. The z-score corresponding to a probability of 0.20 is approximately 
, which means the cutoff test score is
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:30, juliaduenkelsbu
Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?
Answers: 2
Mathematics, 21.06.2019 22:00, kiararoman1715
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
You know the right answer?
The mean score of a mathematics placement exam is 125 with a standard deviation of 12.51. those who...
Questions in other subjects:
French, 03.12.2020 21:20
Mathematics, 03.12.2020 21:20
