A community for students.
Here's the question you clicked on:
 0 viewing
chichulita
 3 years ago
Estimating the Standard Deviation: Veterinary Science The resting heart rate
for an adult horse should average about 45 beats per minute with a (95% of
data) range from 22 to 70 beats per minute, based on information from The
Merck Veterinary Manual (a classic reference used in most veterinary colleges).
Let x be a random variable that represents the resting heart rate for an adult
horse. Assume that x has a distribution that is approximately normal.
(a) Estimate the standard deviation of the x distribution.
(b) What is the probability that the heart rate is less than 25 beats per minute?
(
chichulita
 3 years ago
Estimating the Standard Deviation: Veterinary Science The resting heart rate for an adult horse should average about 45 beats per minute with a (95% of data) range from 22 to 70 beats per minute, based on information from The Merck Veterinary Manual (a classic reference used in most veterinary colleges). Let x be a random variable that represents the resting heart rate for an adult horse. Assume that x has a distribution that is approximately normal. (a) Estimate the standard deviation of the x distribution. (b) What is the probability that the heart rate is less than 25 beats per minute? (

This Question is Open

kropot72
 3 years ago
Best ResponseYou've already chosen the best response.0(a) The empirical rule for the normal distribution states that approximately 95% of the data points lie within the range plus and minus 2 standard deviations of the population mean. Therefore one standard deviation can be found as follows: \[\sigma=\frac{7022}{4}=?\] (b) Firstly find the zscore for 25 beats per minute as follows: \[Z=\frac{2545}{\sigma}=?\] The use a standard normal distribution table to find the required probability.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.