Mathematics, 12.06.2020 18:57 andres2865
An experiment was conducted to determine the effectiveness of a method designed to remove oil wastes found in soil. Three contaminated soil samples were treated. After 95 days, the percentage of contamination removed from each soil sample was measured, with a mean of 49.3 percent and a standard deviation of 1.5 percent. Estimate the mean percentage of contamination removed at a 98 percent confidence level.
Answers: 3
Mathematics, 21.06.2019 17:00, nisazaheer
Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.
Answers: 1
Mathematics, 21.06.2019 17:30, Jcmandique3444
Consider the graph of the exponential function y=3(2)×
Answers: 1
Mathematics, 21.06.2019 20:00, tessafargo
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Answers: 1
An experiment was conducted to determine the effectiveness of a method designed to remove oil wastes...
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