Claim: The standard deviation of pulse rates of adult males is less than 11 bpm. For a random sample of 148 adult​ males, the pulse rates have a standard deviation of 9.9 bpm. Complete parts​ (a) and​ (b) below. Express the original claim in symbolic form. ▼   pp muμ sigmaσ ▼   less than< equals= greater than> not equals≠ nothing bpm ​(Type an integer or a decimal. Do not​ round.) Identify the null and alternative hypotheses. H0​: ▼   muμ pp sigmaσ ▼   not equals≠ less than< greater than> equals= nothing bpm H1​: ▼   muμ sigmaσ pp ▼   not equals≠ greater than> equals= less than< nothing bpm ​(Type integers or decimals. Do not​ round.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Claim: The standard deviation of pulse rates of adult males is

less than

11

bpm. For a random sample of

148

adult​ males, the pulse rates have a standard deviation of

9.9

bpm. Complete parts​ (a) and​ (b) below.

  1. Express the original claim in symbolic form.

 

pp

muμ

sigmaσ

 

less than<

equals=

greater than>

not equals≠

nothing

bpm

​(Type an integer or a decimal. Do not​ round.)

  1. Identify the null and alternative hypotheses.

H0​:

 

muμ

pp

sigmaσ

 

not equals≠

less than<

greater than>

equals=

nothing

bpm

H1​:

 

muμ

sigmaσ

pp

 

not equals≠

greater than>

equals=

less than<

nothing

bpm

​(Type integers or decimals. Do not​ round.)

 

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