Study on how much time people spend with family in a day shows that the time spending distribution is approximately normally distributed with a mean of 86 minutes and a standard deviation of 32...

Study on how much time people spend with family in a day shows that the time spending distribution is approximately normally distributed with a mean of 86 minutes and a standard deviation of 32 minutes.

Q: Suppose a random sample of 20 people is obtained, describe the sampling distribution of the sample mean time people spend with family in a day.