Claim: The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 149 adult males, the pulse rates have a standard deviation of 11.2 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. V bpm (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. Họ: bpm bpm H1: (Type integers or decimals. Do not round.)

MATLAB: An Introduction with Applications
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**Claim:** The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 149 adult males, the pulse rates have a standard deviation of 11.2 bpm. Complete parts (a) and (b) below.

**a.** Express the original claim in symbolic form.

- σ < 12 bpm
  (Type an integer or a decimal. Do not round.)

**b.** Identify the null and alternative hypotheses.

- H₀: σ = 12 bpm
- H₁: σ < 12 bpm
  (Type integers or decimals. Do not round.)
Transcribed Image Text:**Claim:** The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 149 adult males, the pulse rates have a standard deviation of 11.2 bpm. Complete parts (a) and (b) below. **a.** Express the original claim in symbolic form. - σ < 12 bpm (Type an integer or a decimal. Do not round.) **b.** Identify the null and alternative hypotheses. - H₀: σ = 12 bpm - H₁: σ < 12 bpm (Type integers or decimals. Do not round.)
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