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Since everyone is staying at home, a study was done on how much time Americans are...

Since everyone is staying at home, a study was done on how much time Americans are spending on the internet. The study showed that the mean time people are spending on the internet per day is 5.1 hours with a standard deviation of 1.9 hours. A random sample of 65 Americans is taken. Describe the sampling distribution of the sample mean.

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shape: approximately normal

μx¯=5.1

σx¯= 0.24

shape: exactly normal

μx¯=5.1

σx¯= 0.24

shape: approximately normal

μx¯=5.1

σx¯= 1.9

shape: exactly normal

μx¯=5.1

σx¯= 1.9

math   Statistics-And-Probability   
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