Mathematics, 05.08.2020 16:01 simran1049
A researcher is interested in finding a 90% confidence interval for the mean number of times per
day that college students text. The study included 147 students who averaged 44.7 texts per
day. The standard deviation was 17.9 texts. Round answers to 3 decimal places where possible.
a. To compute the confidence interval use a tv distribution.
b. With 90% confidence the population mean number of texts per day is between
and
texts.
Answers: 3
Mathematics, 21.06.2019 17:40
Which of the following are accepted without proof in a logical system? check all that apply.
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Mathematics, 21.06.2019 22:00
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.
Answers: 1
Mathematics, 22.06.2019 04:00
Which of these lines passes through the point (1,-1) and has a slope of -3?
Answers: 1
A researcher is interested in finding a 90% confidence interval for the mean number of times per
da...
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