Mathematics, 16.11.2019 06:31 ygrant03
The price of coffee has been steadily declining since october 2012. the international coffee organization (ico) reported that the mean price for coffee in may 2013 was 126.96 u. s. cents/lb. a random sample of 34 days was obtained and the composite indicator for brazilian natural coffee was recorded for each. the sample mean was
x = 130.29 u. s. cents/lb.
assume the population standard deviation is 8.6 u. s. cents/lb. is there any evidence to suggest that the mean composite indicator for brazilian natural is greater than 126.96? use
α = 0.05.
a) give the value of the appropriate zα or zα/2. (round your answer to four decimal places.)
b) calculate the test statistic. (round your answer to four decimal places.)
z =
Answers: 3
Mathematics, 21.06.2019 16:00
Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle
Answers: 1
Mathematics, 21.06.2019 21:00
Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?
Answers: 1
Mathematics, 21.06.2019 22:00
Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright
Answers: 2
Mathematics, 21.06.2019 23:10
In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)
Answers: 3
The price of coffee has been steadily declining since october 2012. the international coffee organiz...
English, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
Social Studies, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
Arts, 10.05.2021 14:30
Social Studies, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
Computers and Technology, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
English, 10.05.2021 14:30
Mathematics, 10.05.2021 14:30
Social Studies, 10.05.2021 14:30
Social Studies, 10.05.2021 14:30
English, 10.05.2021 14:30