Mathematics, 11.01.2020 02:31 july00
Agroup of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. assuming a population standard deviation of three hours, what is the required sample size if the error should be less than a half hour with a 99% level of confidence? select one: a. 196 b. 239 c. 15 d. 16
Answers: 1
Mathematics, 21.06.2019 17:40
Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2
Answers: 2
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 21:00
Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?
Answers: 2
Agroup of statistics students decided to conduct a survey at their university to find the average (m...
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