Mathematics, 28.07.2021 19:50, kelfaminu
một chủ cửa hàng muốn ước lượng lợi nhuận trung bình hàng ngày của hàng đó. Người đó lấy mẫu n= 60 ngày để ước lượng song không chắc lợi nhuận hàng ngày có phân phối chuẩn hay không do đó cho rằng kết quả ước lượng là không chính xác. Hãy bình luận về điều đó
Answers: 2
Mathematics, 21.06.2019 17:50, domiyisthom
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 22:00, WhirlyWave
Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6
Answers: 1
Mathematics, 22.06.2019 00:30, trujillo03
1.3.25 question suppose 40​% of all voters voted for a particular candidate. to simulate exit polls regarding whether or not voters voted for this​ candidate, five random samples of size 1010 and five random samples of size 10001000 have been generated using technology using a population proportion of 0.400.40​, with the accompanying results. complete parts a through c below. click the icon to view the simulation results. a. observe how the sample proportions of successes vary around 0.400.40. simulation compared to sample prop simulation compared to sample prop 1 ▾ 6 ▾ greater than 0.40 less than 0.40 equal to 0.40 2 ▾ less than 0.40 greater than 0.40 equal to 0.40 7 ▾ greater than 0.40 less than 0.40 equal to 0.40 3 ▾ greater than 0.40 less than 0.40 equal to 0.40 8 ▾ equal to 0.40 greater than 0.40 less than 0.40 4 ▾ greater than 0.40 equal to 0.40 less than 0.40 9 ▾ less than 0.40 greater than 0.40 equal to 0.40 5 ▾ equal to 0.40 less than 0.40 greater than 0.40 10 ▾ equal to 0.40 greater than 0.40 less than 0.40 click to select your answer(s) and then click check answer. 2 parts remaining clear all check answer
Answers: 3
Mathematics, 22.06.2019 00:30, lolagrace06
Me i’m stuck on all these questions besides the two bottom ones
Answers: 2
một chủ cửa hàng muốn ước lượng lợi nhuận trung bình hàng ngày của hàng đó. Người đó lấy mẫu n= 60 n...
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