According to data from facebook.com, in 2016 the average amount of time that users spend each day
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According to data from facebook.com, in 2016 the average amount of time that users spend each day on Facebook, Instagram, and Messenger platforms is 50 minutes. Assume the data for time spent follow the normal distribution with a standard deviation of 14.5 minutes.
a. What is the probability that a random customer spent
1. less than 30 minutes on these social media?
2. more than 45 minutes on these social media?
3. between 50 and 90 minutes on these social media?
4. between 65 and 85 minutes on these social media?
b. Use Excel to confirm the answers in part a.
c. How many minutes on these social media are in the 35th percentile?
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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a 1 2 3 4 b 1 NORMDIST30 50 145 TRUE 00839 2 10 NORMDIST45 50 145 TRUE 10 03651 06349 3 NORMDIST5...View the full answer
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