Mathematics, 15.07.2021 14:00 miayadeliss6910
The mean examination mark of a random sample of 1390 students is 67% with a standard deviation of 8.1%. How many students scored above 80%? (Round to the nearest student)
Answers: 3
Mathematics, 21.06.2019 21:30, ojbank4411
Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
Answers: 1
Mathematics, 21.06.2019 21:50, elsauceomotho
Which value of y will make the inequality y< -1 false?
Answers: 2
The mean examination mark of a random sample of 1390 students is 67% with a standard deviation of 8....
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