Mathematics, 14.01.2021 19:30 mayhy100
At Midtown University, the average weight of freshman boys is 170 lbs with a standard deviation of 9 lbs. The average weight of freshman girls is 115 lbs with a standard deviation of 6 lbs. as new distribution is to be formed from the valued obtained when the weights of the girls and the boys are added together. What are the mean and standard deviation of this new distribution? Assume that the weights of boys and girls are independent.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
Answers: 3
Mathematics, 21.06.2019 23:30
Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday
Answers: 1
Mathematics, 22.06.2019 00:00
Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?
Answers: 1
You know the right answer?
At Midtown University, the average weight of freshman boys is 170 lbs with a standard deviation of 9...
Questions
Computers and Technology, 26.07.2019 19:30
History, 26.07.2019 19:30
Mathematics, 26.07.2019 19:30
Business, 26.07.2019 19:30
English, 26.07.2019 19:30
Mathematics, 26.07.2019 19:30
History, 26.07.2019 19:30
History, 26.07.2019 19:30
Mathematics, 26.07.2019 19:30
