Mathematics, 02.01.2022 16:00 klysse123
Mariyam is designing shelves for a bookshop. The height, H cm, of books is modelled by the normal distribution with mean 25.1 cm and standard deviation 5.5 cm.
(a) Complete the statement H ~ N(, )
(b) Show that P(H > 30.8) = 0.15 correct to 2 decimal places.
(c) Hence find P(30.8 < H < 40.5).
Mariyam decided that the smallest 5% of books would not be placed on the shelves.
All the other books will be placed on the shelves.
(d) Using ( < ) = 0.005, find the minimum height of books (y) that will be placed on the shelves.
Answers: 2
Mathematics, 21.06.2019 15:00
Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.
Answers: 1
Mathematics, 21.06.2019 18:30
School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
Answers: 2
Mathematics, 21.06.2019 18:30
Is the square root of 4 plus the square root of 16 rational?
Answers: 2
Mathematics, 21.06.2019 20:10
Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next
Answers: 2
Mariyam is designing shelves for a bookshop. The height, H cm, of books is modelled by the normal di...
English, 27.07.2019 17:30
Biology, 27.07.2019 17:30
Business, 27.07.2019 17:30
Advanced Placement (AP), 27.07.2019 17:30
English, 27.07.2019 17:30
Business, 27.07.2019 17:30