Mathematics, 06.05.2020 03:10 denareena97
The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.6 years. What percentage of individual aircraft have ages greater than 15 years? Assume that a random sample of 64 aircraft is selected and the mean age of the sample is computed. What percentage of sample means have ages greater than 15 years? The percentage of individual aircraft that have ages greater than 15 years is nothing%.
Answers: 1
Mathematics, 21.06.2019 19:00, emilyblaxton
Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?
Answers: 1
Mathematics, 21.06.2019 22:10, 666isabella666
Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min
Answers: 3
The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard de...
Mathematics, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
English, 27.08.2020 01:01
Computers and Technology, 27.08.2020 01:01
English, 27.08.2020 01:01
English, 27.08.2020 02:01