Suppose That the National Mean Weight for a Three-Year-Old Girl

Question 31
Multiple Choice

Suppose that the national mean weight for a three-year-old girl is 30 pounds with a standard deviation of 5 pounds.A pediatric office takes a random sample of 100 three-year-old girls,records their weights,and finds the mean.Describe the sampling distribution model of this mean. A)Binom(30,5) B)N(30,0.5) C)N(30,0.05) D)N(30,5) E)There is not enough information to describe the distribution.