8) A random sample of hotdogs of a particular brand has an average fat content of 5 grams. How large a sample should be taken so that the sample average is within 0.13 gram of the true average with confidence coefficient 46% (Assume that the fat content ranges from 1.72 grams to 4.76 grams). a) O 46 b) 0 5 c) 13 d) 61