Question: A study conducted in 2015 showed the mean time spent per day browsing video streaming service Netflix for something to watch was 19.3 minutes. Assume

A study conducted in 2015 showed the mean time spent per day browsing video streaming service Netflix for something to watch was 19.3 minutes. Assume the standard deviation is =8. Suppose a simple random sample of 100 visits taken this year has a sample mean of 21.5 minutes. A social scientist is interested to know whether the mean time browsing Netflix has increased. State the appropriate null and alternate hypotheses O Ho: mean 21.5, H1: mean 19.3 O Ho: mean 19.3, H1: mean> 19.3 O Ho: mean 21.5, H1: mean#19.3 Ho: mean 21.5, H1: mean#21.5 O Ho: mean 19.3, H1: mean#19.3 O Ho: mean 19.3, H1: mean 21.5

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