Our Services

Get 15% Discount on your First Order

Homework 5a Show your work 1. What percent of the population fall between -1 and +3 standard deviations from the mean? a.100% b.50%

February 26, 2024

Homework 5a

Show your work

1. What percent of the population fall between -1 and +3 standard deviations from the mean?

a.100%

b.50%

c.20%

d.84%

2. Carla is a 67 inch tall woman. What percentage of the population of women is shorter than Carla? (mean = 64.5, standard deviation =2.5)

a. 1

b. 57

c. 34

d. 84

3. For the following set of data, calculate the mean and standard deviation. Describe the mean and standard deviation in words after calculating it.

a. The data set below gives the prices (in dollars) of cordless phones at an electronics store. What is the mean and standard deviation?

35, 50, 60, 60, 75, 65, 80

4. Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and the standard deviation is 61 days. To the nearest percent, what percent of batteries have lifetimes longer than 561 days?

Mean = 500 days and s.d. = 61 days.

Approximately what percent of batteries have lifetimes longer than 561 days?

5. The number of children of each of the first 41 United States presidents is given in the accompanying table. For this population, determine the mean and the standard deviation to the nearest tenth.

How many of these presidents fall within one standard deviation of the mean?

image1.jpeg

>Mathematics homework help

Share This Post

Order a Similar Paper and get 15% Discount on your First Order

Related Questions

Need the attached Math questions answered. There are a total of 15 questions that need solutions. Need within a day so I can use to verify the assignment

Need the attached Math questions answered. There are a total of 15 questions that need solutions. Need within a day so I can use to verify the assignment answers I have.

This week you will use the Bureau of Labor Statistics website to search for income data on the occupation you are seeking. Visit the following

This week you will use the Bureau of Labor Statistics website to search for income data on the occupation you are seeking. Visit the following website: to an external site. . The BLS has wage information for hundreds of jobs, and data can also be found by state. There

Instructions In this assignment, you will be required to use the Heart Rate Data Set to

Instructions In this assignment, you will be required to use the Heart Rate Data Set to complete the following: · Use the classification of variables from the Unit 1 assignment to match each variable to one appropriate type of graph · Create graphs of those variables · Give a brief

Can inaccurate graphs bias the interpretation of data? Graphs provide a visual representation of data meant to provide information. Here are three

Can inaccurate graphs bias the interpretation of data? Graphs provide a visual representation of data meant to provide information. Here are three graphs that may present data in an inaccurate or misleading manner. Choose one graph for this discussion and answer the questions based on your chosen graph. Graph 1

I need help solving the attached Math/Statistics problems Chapter 6: Normal Distribution (concepts) Jonai Tellison Question 1 1 pt 1

I need help solving the attached Math/Statistics problems Chapter 6: Normal Distribution (concepts) Jonai Tellison Question 1 1 pt 1 99 Question 2 1 pt 1 99 Question 3 1 pt 1 99 Question 4 1 pt 1 99 If is a random variable from a standard normal distribution and

In this assignment, you will be required to use the Heart Rate Data Set to complete the following:

In this assignment, you will be required to use the Heart Rate Data Set to complete the following: · Identify the variables in the dataset · Classify each variable as qualitative or quantitative discrete or quantitative continuous · Specify the possible values of each variable · Give a brief written

Please complete the following steps for your first discussion post and response. · Conduct research and find at least two examples of how statistics

Please complete the following steps for your first discussion post and response. · Conduct research and find at least two examples of how statistics are used in your field. · Your response should be detailed and specific. · Here’s an example for a student who is going into the field

I need help completing the attached Math/Statistics assignment 1. This stem and leaf plot shows the height of several trees. Height in Feet and

I need help completing the attached Math/Statistics assignment 1. This stem and leaf plot shows the height of several trees. Height in Feet and Inches of Several Trees 5 0, 4, 8, 10, 11, 11 6 5 7 3, 5, 11 8 2, 5, 7, 7,9, 9 What is the

Use DBS2_1.1. and DataSet2.xlsx to answer the questions in project questions and Instructions-1.docx. Please see attached documents and complete on

Use DBS2_1.1. and DataSet2.xlsx to answer the questions in project questions and Instructions-1.docx. Please see attached documents and complete on time. Correct answers only.

Please fill out the LAB2 assignment the instructions will show how to do the assignment and what is needed. [removed]

lab work Worksheet for Exploration 17.1: Superposition of Two Pulses One of the most interesting phenomena we can explore is that of

lab work Worksheet for Exploration 17.1: Superposition of Two Pulses One of the most interesting phenomena we can explore is that of a superposition of waves. Each panel shows an individual wave that is traveling on a string. If these two waves are traveling on the same string, draw the

Follow all directions IHP 525 Quiz Four A trial evaluated the fever-inducing effects of three substances. Study subjects were adults seen in an

Follow all directions IHP 525 Quiz Four A trial evaluated the fever-inducing effects of three substances. Study subjects were adults seen in an emergency room with diagnoses of the flu and body temperatures between 100.0 and 100.9ºF. The three treatments (aspirin, ibuprofen and acetaminophen) were assigned randomly to study subjects.

Which best represents the addition of the two gray parts and the striped part in the whole rectangle?

Lab9 Worksheet for Exploration 17.1: Superposition of Two Pulses One of the most interesting phenomena we can explore is that of a superposition

Lab9 Worksheet for Exploration 17.1: Superposition of Two Pulses One of the most interesting phenomena we can explore is that of a superposition of waves. Each panel shows an individual wave that is traveling on a string. If these two waves are traveling on the same string, draw the superposition

I. Task 1 – Pearson r test What you will submit for Task 1: Pearson r test output for the study below.

I. Task 1 – Pearson r test What you will submit for Task 1: Pearson r test output for the study below. You are an instructor and interested in studying the relationship between the number of study hours and final grades on your exam so you decide to do a

For your initial post: Use the Shapiro Library and identify a primary source, peer-reviewed public health or medical journal article that used any

For your initial post: Use the Shapiro Library and identify a primary source, peer-reviewed public health or medical journal article that used any of the statistical methodologies covered in this class to analyze their data, and use it to respond to the following prompts: State one of the research questions