Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm. For a random sample of 134 adult males, the mean pulse rate is 70.1 bpm and the standard deviation is 10.9 bpm. Complete parts (a) and (b) below.

Claim The mean pulse rate in beats per minute of adult males is equal to 689 bpm For a random sample of 134 adult males the mean pulse rate is 701 bpm and the s class=
Claim The mean pulse rate in beats per minute of adult males is equal to 689 bpm For a random sample of 134 adult males the mean pulse rate is 701 bpm and the s class=

Respuesta :

Part A. Express the original claim in symbolic form.

Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm.

Therefore, the original claim in symbolic form is:

ANSWER:

[tex]\mu=68.9\text{ bpm}[/tex]

Part B. Identify the null and alternative hypotheses.

[tex]\begin{gathered} H_0\colon\text{ }\mu=68.9\text{ bpm} \\ H_1\colon\mu\ne68.9\text{ bpm} \end{gathered}[/tex][tex]\begin{gathered} H_0\text{ or the null hypothesis will be based to our claim. We will test if the mean pulse} \\ \text{rate of an adult male is equal to 68.9 bpm.} \\ H_1\text{ or the alternative hypothesis is the one that contradicts the null hypothesis. That is } \\ \text{why our H}_a\text{ has the sign of not equal to (}\ne). \end{gathered}[/tex]