Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sample of 140 adult​ males, the pulse rates have a standard deviation of 8.7 bpm. Complete parts​ (a) and​ (b) below. a. Express the original claim in symbolic form. sigma less than enter your response here bpm ​(Type an integer or a decimal. Do not​ round.)

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