Mathematics, 11.03.2021 20:10 rb161040
A technology company claims that 13% of customers who call the help desk cannot log in because they have their keyboard on caps lock, which blocks the log in process due to password case sensitivity. Brian, a help desk worker at this company, thinks this proportion is higher. The 95% confidence interval for the true proportion of customers who cannot log in due to caps lock is (0.128, 0.185). Is it reasonable to believe the true proportion of customers who cannot log in due to caps lock is greater than 13%? Yes, because most of the values in the interval are above 0.13. Yes, because the center of the interval is 0.1565, which is greater than 0.13. No, because 0.13 is in the interval. No, because there are values in the interval that are less than 0.13.
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Mathematics, 21.06.2019 16:10
Pls! does anybody know a shortcut for answering these types of questions in the future?
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Mathematics, 21.06.2019 19:30
Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)
Answers: 1
Mathematics, 22.06.2019 01:00
The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?
Answers: 2
A technology company claims that 13% of customers who call the help desk cannot log in because they...
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