Mathematics, 09.07.2019 03:30 landofliam30
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. increase the confidence level. c. increase the sample size. d. decrease the confidence level. e. decrease the standard deviation of hours worked. f. use fewer degrees of freedom.
Answers: 3
Mathematics, 21.06.2019 15:30, kwarwick0915
Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).
Answers: 1
Mathematics, 21.06.2019 19:30, thisusernameistaken2
Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29
Answers: 2
Mathematics, 21.06.2019 22:40, alialoydd11
Afunction g(x) has x-intercepts at (, 0) and (6, 0). which could be g(x)? g(x) = 2(x + 1)(x + 6) g(x) = (x – 6)(2x – 1) g(x) = 2(x – 2)(x – 6) g(x) = (x + 6)(x + 2)
Answers: 1
Mathematics, 21.06.2019 23:00, kealalac1
Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next
Answers: 3
In a survey conducted by a polling company, 1100 adult americans were asked how many hours they work...
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