Claim: The standard deviation of pulse rates of adult males is less than 11 bpm. For a random sample of 174 adult males, the pulse rates have a standard deviation of 10.6 1 bpm. Complete parts (a) and (b) below. 3. Express the original claim in symbolic form. '6l=:]bpm (Type an integer or a decimal. Do not round.) b. ldentify the null and alternative hypotheses. H0:\"_bpm % H1: -:bpm (Type integers or decimals. Do not round.)