A random sample of 144 with a mean of 100 and a standard deviation of 70 is known from a population

Discussion in 'Calculator Requests' started by math_celebrity, Jan 7, 2017.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    A random sample of 144 with a mean of 100 and a standard deviation of 70 is known from a population of 1,000. What is the 95% confidence interval for the unknown population?

    Large Sample Confidence Interval Mean Test
    88.5667 < u < 111.4333
     

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