Answered

Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

A survey of pet owners found that on average, they spend $1,225 annually per pet, with a standard deviation of $275. between which two amounts would you expect 95% of the survey’s respondents to spend annually per pet if the sample is approximately normal and comes from a normally distributed population?

Sagot :

Parrain

Based on the sample being normal, 95% of the survey's respondents will fall within $675 and $1,775.

Where will 95% of the respondents fall?

A 95% interval has a z value of 1.96.

The confidence interval would be:

= Sample mean ± z x (Standard deviation / √sample)

= 1,225 + 1.96 x (275 / √1)

= $1,764

= 1,225 - 1.96 x (275 / √1)

= $686

The closest figures from the options are $675 and $1,775.

Options for this question include:

  • $675 and $1,500
  • $675 and $1,775
  • $950 and $1,500
  • $950 and $1,775

Find out more on 95% confidence intervals at https://brainly.com/question/16974109.

#SPJ1

Answer:

option 3

Explanation:

Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.