Mathematics, 16.04.2020 20:19 kms275
Q 3.3: In a survey, respondents chose between saying "cell phone" or "smartphone". The mean age of the respondents who chose "cell phone" is 39 and of those who chose "smartphone" is 34. The standard error for the difference between the means of both groups of the respondents is 2. What is the possible 95% confidence interval for the difference between the respondents who chose "cell phone" and respondents who chose "smartphone"
Answers: 2
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What is the length of bc ? enter your answer in the box. bc =
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Mathematics, 21.06.2019 15:10, sbelgirl2000
Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units
Answers: 1
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