Mathematics, 18.10.2019 22:10 aaronlikly

In a survey, 900 adults in a certain country were asked how many hours they worked in the previous week.

based on the results, a 95% confidence interval for mean number of hours worked was lower bound: 41.4 and upper bound: 44.8.

which of the following represents a reasonable interpretation of the result? for those that are not reasonable, explain the flaw.

there is a 95% chance the mean number of hours worked by adults in this country in the previous week was between 41.4 hours and 44.8 hours.

(a) correct
(b) flawed. this interpretation implies that the mean is only for last week.
(c) flawed. this interpretation implies that the population mean varies rather than the interval.
(d) flawed. this interpretation makes an implication about individuals rather than the mean.

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:20

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Answers: 1

Answer

Mathematics, 21.06.2019 18:20

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Answers: 2

Answer

Mathematics, 21.06.2019 20:10

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Answers: 2

Answer

Mathematics, 21.06.2019 22:00

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

Answers: 3

Answer

You know the right answer?

In a survey, 900 adults in a certain country were asked how many hours they worked in the previous w...

Questions