PLEASE HELP ME UNDERSTAND
...
Answers: 3
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 βc.β using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least βcβ?
Answers: 1
Mathematics, 22.06.2019 01:00
Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.
Answers: 2
Mathematics, 22.06.2019 02:00
Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.
Answers: 2
Biology, 12.03.2020 07:27
Mathematics, 12.03.2020 07:27
Mathematics, 12.03.2020 07:27
Mathematics, 12.03.2020 07:28
Mathematics, 12.03.2020 07:28
Mathematics, 12.03.2020 07:28
English, 12.03.2020 07:28
Mathematics, 12.03.2020 07:29
Mathematics, 12.03.2020 07:29
Mathematics, 12.03.2020 07:30