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.

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.