Mathematics, 17.07.2019 07:00 james1110
In a survey conducted by a polling company, 1100 adult americans were asked how many hours they worked in the previous week. based on the results, a 95% confidence interval for the mean number of hours worked had a lower bound of 42.7 and an upper bound of 44.5. provide two recommendations for decreasing the margin of error of the interval. select all that apply. a. decrease the sample size. b. use fewer degrees of freedom. c. decrease the confidence level. d. decrease the standard deviation of hours worked. e. increase the confidence level. f. increase the sample size
Answers: 1
Mathematics, 21.06.2019 12:40, katrinanuez
The graph below could be the graph of which exponential function?
Answers: 2
Mathematics, 21.06.2019 19:00, adrianwoods1507
1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?
Answers: 2
Mathematics, 21.06.2019 22:30, lekepius3715
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
In a survey conducted by a polling company, 1100 adult americans were asked how many hours they work...
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