Mathematics, 15.04.2020 00:22 humphreybrittany42
The life in hours of a battery is known to be approximately normally distributed, with standard deviation hours. A random sample of 10 batteries has a mean life of hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use . The battery life Choose your answer in accordance to the item a) of the question statement significantly different greater than 40 hours at . (b) What is the P-value for the test in part (a)? P-value = Enter your answer in accordance to the item b) of the question statement Round your answer to three decimal places (e. g. 98.765). (c) What is the β-error for the test in part (a) if the true mean life is 42 hours? β = Enter your answer in accordance to the item c) of the question statement Round your answer to five decimal places (e. g. 98.76543). (d) What sample size would be required to ensure that β does not exceed 0.2 if the true mean life is 44 hours?
Answers: 1
Mathematics, 21.06.2019 13:00, andregijoe41
Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)
Answers: 1
Mathematics, 21.06.2019 13:30, christeinberg1
Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work
Answers: 1
Mathematics, 21.06.2019 17:00, alexandraschwartz21
Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.
Answers: 1
The life in hours of a battery is known to be approximately normally distributed, with standard devi...
Mathematics, 16.10.2020 22:01
Mathematics, 16.10.2020 22:01
History, 16.10.2020 22:01
English, 16.10.2020 22:01
Mathematics, 16.10.2020 22:01
Physics, 16.10.2020 22:01