Mathematics, 13.11.2019 06:31 youtubeviewer109
One method for measuring air pollution is to measure the concentration of carbon monoxide, or co, in the air. suppose nina, an environmental scientist, wishes to estimate the co concentration in budapest, hungary. she randomly selects 48 locations throughout the city measures the co concentration at each location. based on her 48 samples, she computes the margin of error for a 95% t-confidence interval for the mean concentration of co in budapest, in g/m3, to be 4.28 what would happen to the margin of error if nina decreases the confidence level to 90%? nina increases the confidence level to 99%? nina decreases the sample size to 34 locations? nina increases the sample size to 70 locations? answer bank decrease stay the sameincrease
Answers: 2
Mathematics, 21.06.2019 14:00, emblemhacks
Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit
Answers: 3
Mathematics, 21.06.2019 17:20, garciavergaraana
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 20:30, makailaaa2
Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?
Answers: 1
Mathematics, 21.06.2019 22:00, mosesbrinker
Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point
Answers: 1
One method for measuring air pollution is to measure the concentration of carbon monoxide, or co, in...
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