Question

A health insurance broker records the monthly extended health and dental insurance premiums for 18 non-smoking white-collar clients between the ages of 31 and 40 (measured in $):

140	135	90	91	96	83	101	77	117
139	60	111	144	147	86	119	114	53

T-Distribution Table

a. Calculate the sample mean and standard deviation.

x̄ = x̄ =

Round to the nearest cent

s=s=

Round to the nearest cent

b. Construct a 90% confidence interval for the mean monthly insurance premium for all non-smoking white-collar clients between the ages of 31 and 40.

  <  μ  <  <  μ  <  

Round to the nearest cent

h(i,x)=

{10if  program i halts on input x,otherwise.{1if  program i halts on input x,0otherwise.

Answer 1

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