anonymous
  • anonymous
In a sample of 200 households, the mean number of hours spent on social networking sites during the month of January was 55 hours. In a much larger study, the standard deviation was determined to be 7 hours. Assume the population standard deviation is the same. What is the 99% confidence interval for the mean hours devoted to social networking in January?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@laughoutloud
anonymous
  • anonymous
@vera_ewing
anonymous
  • anonymous
@pooja195

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anonymous
  • anonymous
@babylove2015
anonymous
  • anonymous
@badmood
anonymous
  • anonymous
@Preetha
anonymous
  • anonymous
@ganeshie8
anonymous
  • anonymous
@Hero
anonymous
  • anonymous
yea
anonymous
  • anonymous
help me
anonymous
  • anonymous
@myininaya
anonymous
  • anonymous
dude stawp tagging people ur just spamming now :/
anonymous
  • anonymous
me help :3
anonymous
  • anonymous
I need help
anonymous
  • anonymous
i answered this same question 15 minutes ago so lemmee see
anonymous
  • anonymous
@satellite73
anonymous
  • anonymous
one more tag then i quit
anonymous
  • anonymous
ok help me plz
anonymous
  • anonymous
are there choices?
anonymous
  • anonymous
ya
anonymous
  • anonymous
The 99% confidence interval ranges from 55 to 60 hours. i think
anonymous
  • anonymous
The 99% confidence interval ranges from 53.73 to 56.27 hours. The 99% confidence interval ranges from 7 to 55 hours. The 99% confidence interval ranges from 54.51 to 55.49. The 99% confidence interval ranges from 55 to 60 hours.
anonymous
  • anonymous
._.

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