Claim: The standard deviation of pulse rates of adult males is lessthan 12 bpm. For a random sample of 132 adult males, the pulse rates have a standard deviation of 11.3 bpm. Complete parts (a) and (b) below.

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Part 1

a. Express the original claim in symbolic form.

sigma

pp

mu

less than<

equals=

greater than>

not equals

enter your response here

bpm

Part 2

b. Identify the null and alternative hypotheses.

H0:

sigma

pp

mu

less than<

not equals

greater than>

equals=

enter your response here

bpm

H1:

pp

sigma

mu

less than<

equals=

not equals

greater than>

enter your response here bpm