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Claim: The standard deviation of pulse rates of adult males is morethan 11 bpm. For a random sample of 157 adultmales, the pulse rates have

Claim: The standard deviation of pulse rates of adult males is

morethan 11 bpm. For a random sample of 157 adultmales, the pulse rates have a standard deviation of 12.4 bpm. Complete parts(a) and(b) below.

a. Express the original claim in symbolic form.

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