Mathematics, 19.01.2021 23:50 pokry3814
The UF athletic department wanted to determine if students came to more than 4 home football games on average per season. They randomly surveyed 10 students. Assume all responses were independent of each other. Can we assume normal distribution of the sampling distribution of the sample mean?
A. No, not enough students were sampled
B. No, the randomization condition was not met
C. No the independence assumption was not met
D. Yes
D isn't the answer, I chose it yesterday for the same problem and it was wrong
Answers: 3
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
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 21.06.2019 21:50
Which of the following is the graph of y= square root -x-3
Answers: 1
Mathematics, 21.06.2019 23:00
Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was
Answers: 2
The UF athletic department wanted to determine if students came to more than 4 home football games o...
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