Question

Health issues due to being overwieght affect all age groups. Of children and adolescent 6-11 years of age, 18.8% are found to be overweight. A school district randomly sampled 130 in this age group and found that 20 were considered overweight. At , is this less than the national proportion?

H : p = 0.188 and

H : p < 0.188 (claim)? it is correct? that the claim is <0.188??​

Answer 1

Answer:

Health issues due to being overweight affect all age groups. Of children and adolescents 6 – 11 years of age, 18.8% are found to be overweight. A school district randomly sampled 130 students in this age group and found that 20 were considered overweight. At the 90% level of confidence, is this less than the national proportion? Use the p-value method.