Home / study / math / statistics and probability / questions and

Testing whether a part is defective or not defective after it has been manufactured would be best described using a binomial probability distribution

True or False

Question 2 of 40

Suppose the average amount spent per shopper at the Super Fresh Grocery Store last month was $46.10. A sample of 25 transactions from last month was randomly selected. Another random sample of 50 transactions was also collected. You can be certain that the sampling error from the sample of 50 customers will be less than the sampling error from the 25 customers

True False

Question 3 of 40 Pareto charts are a specific type of bar chart used in quality control programs by businesses to display the causes of problems graphically

True False

Question 4 of 40 The area under the curve of the normal probability distribution is always equal to 1.0

True False

Question 5 of 40 Two events cannot be both independent and mutually exclusive True False

Question 6 of 40 The time it takes for a professor to grade an exam is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes. What is the probability that a randomly selected exam will require between 11 and 15 minutes to grade? 0.4875 0.5704 0.7567 0.9637

Question 7 of 40 Consider the following events: Event A = The survey respondent is less than 40 years old. Event B = The survey respondent is 40 years or older. Events A and B are mutually exclusive and collectively exhaustive True False

Question 8 of 40 The ________ is the value that appears most often in a data set. mean median mode range

Question 9 of 40 Sampling error is the difference between a sample statistic and a population parameter True False

Question 10 of 40 The equation used to calculate binomial probabilities relies on permutations of n objects selected x at a time True False

Question 11 of 40 The z-score has no units even though the original values will normally be expressed in units such as dollars, years, pounds, or calories True False

Question 12 of 40 Which of the following is not a condition of a discrete probability distribution? Each outcome in the distribution needs to be mutually exclusive with other outcomes in the distribution. The probability of a success must exceed the probability of a failure. The probability of each outcome, P(x), must be between 0 and 1 (inclusive). . D) The sum of the probabilities for all of the outcomes in the distribution needs to add up to 1.

Question 13 of 40 The time between customer arrivals is a common application for the uniform probability distribution True False

Question 14 of 40 The ________ is the most common and most important measure of variability in the field of statistics. range variance median standard deviation

Question 15 of 40 Deanna has been hired to visit the local shopping mall to conduct a survey about the upcoming political election. She needs to select respondents at the mall and ask them questions about their voting tendencies. Deanna decides to walk around the mall and select shoppers to participate. Which of the following sampling techniques best describes Deanna’s method? Systematic Convenience Simple random Stratified

Question 16 of 40 The mean and the variance are equal for a ________ probability distribution. binomial uniform normal Poisson

Question 17 of 40 “No shows” are the people with reservations who fail to arrive. The following table shows the number of no shows each day at a hotel over the last 125 business days. What is the probability that there will be more than one no show today? 0.113 0.147 0.205 0.232

Question 18 of 40 Income and age are examples of data that are technically discrete but are normally displayed in a continuous format True False Question 19 of 40 The process of measuring or observing an activity for the purpose of collecting data is known as a(n) experiment. sample space. simple event. simple probability.

Question 20 of 40 Continuous data is often the result of measuring observations rather than counting them True False

Get 20% Discount on This Paper
Pages (550 words)
Approximate price: -

Try it now!

Get 20% Discount on This Paper

We'll send you the first draft for approval by at
Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

Academic Solvers has put together a group of highly qualified writers with a wide range of expertise in the online writing community. Our goal is to become your one-stop shop for all academic and online writing needs. Take a look at our fantastic service below!

Editing

Research Paper Editing

At Academic SolversEditing your research paper could prove to be difficult especially amidst the tight schedules that students have. At academicsolvers.net, we offer research paper editing services. The services include proofreading and use of online platforms such as Grammarly and Turnitin to address any concerns that may arise within the paper. Get our services and you will have satisfactory results.

Research Paper

Custom Research Paper

Writing a research paper could be quite hectic especially if it is your first time. Identifying the research topic, finding the references and interpreting information could pose significant challenges. However, this should not be issues of concern anymore. At academicsolvers.net, we offer solutions to research papers. We deliver plagiarism free and quality research papers that are customized to suit your needs.

Editing

Online Proofreading

Despite writing expertise and skills, you are never guaranteed of error free papers. Academic solvers’ online proofreading services leaves no mistake unaddressed. We go through your paper using a variety of online tools that help to ensure that we edit your paper and make it error free. We have collected a group of experts hence can guarantee quality proofreading services.

Coursework

Cheap Research Papers

Do you have difficulties writing your research paper? Are you afraid of the cost of hiring a professional to write your research papers? Worry no more. At academicsolvers.net we address both of your problems. We are equipped with a large number of professional writers. Second, we offer our research paper writing services at cheap prices that are largely affordable. Don’t miss this chance. Order our cheap research papers today.

Coursework

College Assignment

College assignment could be one of the biggest challenges to students especially working with tight schedules. Academicsolvers.net acts to bridge this gap existing between getting satisfactory grades and meeting deadlines. Our college assignment professionals provide students with quality, plagiarism free and confidential assignment help that helps them to achieve desired grades and outcomes.

Coursework

Essay Help

Essays are some of the most critical elements in the academic life of a student. At academic solvers we prioritize providing quality essays. As such, our professional ensure that they address issues of grammar, structure and plagiarism to provide essays that meet the need of the client. Here, we focus on developing content that aims at addressing the subject in question through the expertise of our professional and experienced writers. Try our services and we guarantee succes.