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A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 30 hours. The population standard deviation is 2 hours.
answered
Dec 10, 2018
Mathematics
high-school
2
votes
20.5k
views
What is the spanisch Form of preparar
answered
Oct 1, 2018
Spanish
middle-school
3
votes
59.0k
views
Quick question! Help please! How many atoms are in 0.654 moles of lithium chloride? 3.93 x 1023 atoms 7.87 x 1023 atoms 9.20 x 1023 atoms 1.18 x 1024 atoms
answered
Sep 8, 2018
Chemistry
high-school
3
votes
64.6k
views
How did Europeans view themselves
answered
Mar 25, 2018
English
middle-school
1
vote
225k
views
Which of the following was built to supply freshwater for the city of Rome? A.the baths B.the aqueducts C.the Pantheon D.the Colosseum
answered
Oct 29, 2017
History
high-school
3
votes
207k
views
#4 What is 40% of 30? Please and Thank You!
answered
Sep 13, 2017
Mathematics
middle-school
4
votes
122k
views
Write each decimal as a fraction or mixed number in simplest form -7.32=
answered
Jun 8, 2017
Mathematics
middle-school
5
votes
105k
views
Which of the following is true about new foreign treaties? They prevent the formation of alliances with other countries. They do not have an effect on the domestic policies of a country. People could be
answered
Jul 18, 2016
History
high-school
0
votes
165k
views
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