Claim: The standard deviation of pulse rates of adult males is more than 12 bpm. For a random sample of 163 adult males, the pulse rat have a standard deviation of 12.8 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. bpm (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. Ho: bpm H₁: bpm (Tyne integers or decimals Do not round)

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