Help please Thank you
...
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 21.06.2019 23:00
Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a
Answers: 3
History, 11.05.2021 22:10
Mathematics, 11.05.2021 22:10
Mathematics, 11.05.2021 22:10
Mathematics, 11.05.2021 22:10
Mathematics, 11.05.2021 22:10
Health, 11.05.2021 22:10
Mathematics, 11.05.2021 22:10