User Account

All Pages

What percentage of vehicle speeds exceeded 55 mph

Assignment Help Basic Statistics
Reference no: EM132845831

In a study investigating the effect of car speed on accident severity, 5,000 reports of fatal automobile accidents were examined, and the vehicle speed at impact was recorded for each one. For these 5,000 accidents, the average speed was 43 mph and the standard deviation was 12 mph. A histogram revealed that the vehicle speed at impact distribution was approximately normal. (Use the Empirical Rule.) (Round your answer to the nearest whole number.)

(a) What percentage of vehicle speeds were between 31 and 55 mph?

(b) What percentage of vehicle speeds exceeded 55 mph?

Reference no: EM132845831

Questions Cloud

Analyze a specific task related to the learning scenario : This week's assignment gives you the chance to analyze a specific task related to the learning scenario on which you have been working since Week 2.
Determining the proportion of the population : Let p be the proportion of the population who respond yes. Use the given information to find p and q.
What is the median of the arrival times : What is the median of the arrival times? Enter your answer in minutes that are rounded to two decimal places.
Describe qualities of ethical early childhood professional : Describe the qualities of an ethical early childhood professional. Be specific and give examples using language from the lecture content and the NAEYC Code.
What percentage of vehicle speeds exceeded 55 mph : In a study investigating the effect of car speed on accident severity, 5,000 reports of fatal automobile accidents were examined, and the vehicle speed at impac
What is the correct p-value of the test : To conclude if the order in which options are presented in a question affects the answer, a two-proportion z-test was conducted. What is the correct p-value of
Assignment - Strategic Management Questions : Assignment - Strategic Management Questions - Identify and explain the impact of major macro- and competitive environmental issues currently facing Aldi
What is the probability that a player does not use steroids : What is the probability that a player does not use steroids, given that the person had a positive reading on the test? Round to four decimal places.
Explain the value of paying attention to each phase : Describe what you could have done differently in the planning and performance phases for better results or to have achieved your goal.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd