find the missing number in this proportion
...
Mathematics, 15.10.2019 23:00 raiderries
find the missing number in this proportion
Answers: 1
Mathematics, 21.06.2019 16:20, mattmaddox86
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
Mathematics, 21.06.2019 21:50, zymikaa00
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, 05.05.2020 00:53
Mathematics, 05.05.2020 00:53
Mathematics, 05.05.2020 00:53
Mathematics, 05.05.2020 00:53