Mathematics, 30.05.2020 08:58 colemason223
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distributed with mean 2.62 and standard deviation 0.86.
(a) If a random sample of 25 specimens is selected, what is the probability that the sample average sediment density is at most 3.00? Between 2.62 and 3.00?
(b) How large a sample size would be required to ensure that the probability in part (a) is at least 0.99?
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 21:30
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
Answers: 1
Mathematics, 21.06.2019 22:30
Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.
Answers: 2
Mathematics, 21.06.2019 23:00
12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart
Answers: 1
Mathematics, 22.06.2019 00:00
The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?
Answers: 1
You know the right answer?
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normall...
Questions
English, 04.01.2021 21:00
Mathematics, 04.01.2021 21:00
History, 04.01.2021 21:00
Mathematics, 04.01.2021 21:00
Mathematics, 04.01.2021 21:00
Business, 04.01.2021 21:00
Mathematics, 04.01.2021 21:00
Mathematics, 04.01.2021 21:00
Medicine, 04.01.2021 21:00
Business, 04.01.2021 21:00
