Estimate Population Using Random Samples Problems

6 questions
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#1 of 6: Mild

Estimate population using random samples

<p>In Martin County, there are `45` people over 6ft tall. In a survey of `205` randomly selected people in Martin County, `5` were found to be over `6`ft tall. Based on the survey, what is the best estimate of the total number of people who live in Martin County?</p>

#2 of 6: Medium

Estimate population using random samples

<p>In Woodlands County, there are `45` families that have a pool in their home. In a survey of `279` randomly selected families, `31` families have a pool in their homes. What is the estimate of total families in Woodlands county? </p>

#3 of 6: Medium

Estimate population using random samples

<p>In Denver County, there are `44` people who play the piano. A survey of `208` randomly selected people was conducted to check their hobbies and it was found that `26` people played piano. </p><p>What is the best estimate of the total number of people in Denver County? <p>

#4 of 6: Spicy

Estimate population using random samples

<p>In the South Lake community, there are `84` people who go biking every weekend. In a survey of `664` randomly selected people, `56` bike regularly on weekends. Based on the survey what is the best estimate of the total population of the South Lake community?</p>

#5 of 6: Spicy

Estimate population using random samples

<p>In St. John's County, `85` people own a cat. A random survey of `560` people found `70` people who own a cat as a pet. </p><p>What is the best estimate of the total population of St. John's county?</p>

#6 of 6: Spicy

Estimate population using random samples

<p>In the city of Katy, there are `70` homes that have solar panels installed on their rooftops. A salesperson does an online survey of `680` homes selected at random and finds that `68` of them have solar panels on their rooftop. </p><p>What is the estimate of the number of homes in the city of Katy?</p>

Random samples are referred to as randomly chosen sets of a population. During this sampling technique, every member of the population has a specifically equal probability of being chosen. By solving these Populations And Random Samples Problems students can enhance their knowledge of how to analyze the population and obtain desired statistics from the population.

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Grade 7
Statistics
7.SP.A.1

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What teachers are saying about BytelearnWhat teachers are saying

stephan.png
Stephen Abate
19-year math teacher
Carmel, CA
Any math teacher that I know would love to have access to ByteLearn.
jennifer.png
Jennifer Maschino
4-year math teacher
Summerville, SC
“I love that ByteLearn helps reduce a teacher’s workload and engages students through an interactive digital interface.”
rodolpho.png
Rodolpho Loureiro
Dean, math program manager, principal
Miami, FL
“ByteLearn provides instant, customized feedback for students—a game-changer to the educational landscape.”