Mathematics, 04.02.2020 20:52 onlyceleste212
Asurvey among freshman at a certain university revealed that the number of hours spent studying before final exams was normally distributed with mean 25 and standard deviation 15. a sample of 36 students was selected. what is the probabiliy that the average time spent stydying for the sampe was between 28.2 and 30 hours
Answers: 3
Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
Answers: 2
Mathematics, 21.06.2019 22:00
State one method by which you can recognize a perfect square trinomial.
Answers: 1
Asurvey among freshman at a certain university revealed that the number of hours spent studying befo...
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