Mathematics, 22.04.2020 01:53 emmajobaby
1. When operating properly, a chemical plant has a daily production rate that is normally distributed with a mean value of 880 tons/day and a standard deviation of 21 tons/day. During an analysis period, the output is measured with random sampling for 50 days and the mean output was found to be 871 tons/day. With a 95% confidence level, determine if the plant is operating properly.
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Mathematics, 21.06.2019 15:30
Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.
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Mathematics, 21.06.2019 18:00
Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.
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Mathematics, 21.06.2019 19:00
Draw a scaled copy of the circle using a scale factor of 2
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Mathematics, 21.06.2019 21:00
Find the perimeter of the triangle with vertices d(3, 4), e(8, 7), and f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.
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1. When operating properly, a chemical plant has a daily production rate that is normally distribute...
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