Help ASAP Please(Answered)
Among 320 randomly selected airline travelers, the mean number...
Mathematics, 06.05.2020 04:12 dm21930
Help ASAP Please(Answered)
Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard deviation is 2.9. What is the margin of error, assuming a 90% confidence level?
Remember:
90% confidence level = z-score of 1.645
Margin of error, ME, can be determined using the formula ,ME= Z*S/ square root of N
0.27< This was the answer for others who look at this problem
3.12
0.25
0.70
Answers: 2
Mathematics, 21.06.2019 14:50, bustillojoshua4
On a piece of paper, graph . then determine which answer choice matches the graph you drew
Answers: 1
Mathematics, 21.06.2019 18:50, firenation18
The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
Answers: 1
Mathematics, 21.06.2019 19:40, joexx159
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол
Answers: 1
Mathematics, 21.06.2019 19:50, dalejacksoniip5yf4y
Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit
Answers: 1
Mathematics, 16.11.2020 04:10
History, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10