A.) Are the necessary assumptions and conditions satisfied? B.) Write a 95% conf

Question

A.) Are the necessary assumptions and conditions satisfied? B.) Write a 95% confidence interval. C.) Explain what your interval means in this context. D.) Given the cost of BST, a farmer believes he can not afford to use it unless he is sure of attaining at least a 23% increase in milk production. Based on your confidence interval, what advice would you give to him? A. He can not justify the expense because the lower value in the confidence interval is less than the amount he requires B. He can justify the expense because the lower value in the confidence interval is more than the amount he requires proceed o two decimal places as needed

Explanation / Answer

a) Option B

b)

95% CI

c) Option A

d)

9.8984 /49 = 20%

Option A

CI for 95% n 76 dbar = (after) - (before) 11 t-value of 95% CI 1.9600 std. dev. 4.9 SE = std.dev./sqrt(n) 0.56207 ME = z*SE 1.10163 Lower Limit = Mean - ME 9.89837 Upper Limit = Mean + ME 12.10163 95% CI (9.8984 , 12.1016 )

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