subject
Mathematics, 23.07.2020 15:01 arnold2619

a previous analysis of paper boxes showed that the standard deviation of their lengths is 15 millimeters. A packers wishes to find the 95% confidense interval for the average length of a box. How many boxes do he need to measure to be accurate within 1 millimeters

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.
Answers: 1
question
Mathematics, 21.06.2019 14:30
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
question
Mathematics, 21.06.2019 17:00
What is sin 7x/4 ? i need on this urgent trig
Answers: 1
question
Mathematics, 21.06.2019 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
Answers: 1
You know the right answer?
a previous analysis of paper boxes showed that the standard deviation of their lengths is 15 millime...
Questions
question
Mathematics, 02.11.2020 23:00
question
Mathematics, 02.11.2020 23:00
Questions on the website: 13722367