Mathematics, 28.11.2019 02:31 kenzieleigh7345
Arandom sample of n measurements was selected from a population with unknown mean mu and standard deviation sigmaequals50 for each of the situations in parts a through d. calculate a 95% confidence interval for mu for each of these situations. a. nequals40, x overbarequals42 b. nequals300, x overbarequals123 c. nequals155, x overbarequals20 d. nequals155, x overbarequals3.14 e. is the assumption that the underlying population of measurements is normally distributed necessary to ensure the validity of the confidence intervals in parts a through d? explain.
Answers: 2
Mathematics, 22.06.2019 00:00
The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.
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Mathematics, 22.06.2019 00:30
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b
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Mathematics, 22.06.2019 01:00
Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)
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Mathematics, 22.06.2019 02:00
Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis
Answers: 3
Arandom sample of n measurements was selected from a population with unknown mean mu and standard de...
Mathematics, 25.06.2019 09:30
Mathematics, 25.06.2019 09:30
Mathematics, 25.06.2019 09:30
Mathematics, 25.06.2019 09:30