Mathematics, 13.07.2019 04:30 organicmemez
Arandom sample of 145 students is chosen from a population of 4,250 students. if the mean iq in the sample is 130 with a standard deviation of 7, what is the 90% confidence interval for the students' mean iq score?
Answers: 1
Mathematics, 20.06.2019 18:04
Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4
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Mathematics, 21.06.2019 13:30
Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these
Answers: 1
Mathematics, 21.06.2019 20:00
Select the graph of the solution. click until the correct graph appears. |x| = 3
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Mathematics, 21.06.2019 20:20
One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%
Answers: 1
Arandom sample of 145 students is chosen from a population of 4,250 students. if the mean iq in the...
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