User Account

All Pages

What is the name of sampling method

Assignment Help Basic Statistics
Reference no: EM133266056

Based on a study by Dr. P. Sorita Soni at Indiana University, we know that the eye colors in the United States are distributed as follows: 44% brown, 33% blue, 13% green, 6% gray, and 4% hazel.

  1. A statistics instructor collects eye color data from her students. What is the name of this sampling method?
  2. Identify one factor that might make this particular sample biased and not representative of the general population of people in the United States.
  3. If one person is randomly selected, what is the probability that this person will have blue or grey eyes? Express the probability as a decimal value.
  4. If three people are randomly selected, what is the probability that at least one of them has brown eyes? Express the probability as a decimal value.

Reference no: EM133266056

Questions Cloud

What is worker z-score : According to a recent report, a worker in the IT industry spends, on average, 419 minutes daily on the job. Suppose the standard deviation of time spent on the
Find the expected value for profit : The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $9 each and will sell 900 tickets. There is one $2,000 gr
What number of people do we expect to have tried : What number of people do we expect to have tried to pull the sword from the stone when the sword is finally pulled out?
Find the probability that there will be 10 or more customers : Find the probability that there will be 10 or more customers at this bank in one hour. (That is, find P(X210) (round to 4 decimal places)
What is the name of sampling method : Based on a study by Dr. P. Sorita Soni at Indiana University, we know that the eye colors in the United States are distributed as follows: 44% brown, 33% blue,
Confidence interval based on the sample average : "Suppose we use the sample average of observed log-returns to estimate the mean log-return for a portfolio. We know that the observed sample average will almost
Cities with population greater : 62% of all Americans live in cities with population greater than 100,000 people. If 44 Americans are randomly selected, find the probability that
What is the probability of john receiving a score : Last semester, the mean score of the midterm exam for Dr. Ngo's Statistics course is 65 and the standard deviation is 8.2. Mary spent a lot of time studying and
Examining the extent to which prosecutors : Supposed you are interested in examining the extent to which prosecutors include evidence from social networking sites in their cases. You surveyed 150 prosecut

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimating probability on normal and binomial distribution

If you have a statistical package that computes binomial probabilities, find the probability that at least five funds outperform the market in all 10 years.

  Demonstrative definitions or enumerative definitions

Determine whether the following are demonstrative definitions, enumerative definitions.- "Mountain" means something such as Everest, Rainier, Whitney, or McKinley.

  What is the conditional expected number of heads

If in the first 3 flips we see 2 heads, what is the conditional expected number of heads in the 14 flips?

  Statistical analysis air pollution and risk of asthma

Statistical analysis Air Pollution and Risk of Asthma in Children

  How many people do we need to have start the survey

If we want 1000 valid responses for this particular study, how many people do we need to have start the survey?

  The evidence provided by quasiexperiments is seldom

Imagine you are trying to convince a dubious experimentalist of the merits of quasiexperimental research. What arguments would you use to convince him or her of its value?

  At a food processing plant, a machine produces

At a food processing plant, a machine produces 10 lb bags of sugar. In this particular process, it is important that the sugar content does not go below 9.9 lbs. In fact, when the bags of sugar are less than 9.9 lbs, maintenance is performed..

  Question about one sample t test

A researcher claims that the average age of people who buy lottery tickets is 64. A sample of 30 is selected and their ages are recorded as shown below.

  A company produces component parts for an engine what is

a company produces component parts for an engine. parts specifications suggest that 95 of items meet specifications.

  Probability number of people will exceed capacity of plane

If the airline books 79 people on a flight for which the maximum number is 77, what is the probability that the number of people who show up will exceed the capacity of the plane?

  Proportion testing with z test

What is the alternative hypothesis consistent with the claim the test subject is an expert? Which of the following is consistent with the rule for the null hypothesis and with the alternative:

  Find the correlation coefficient between x and y

Let U, V, and W be uncorrelated random variables with equal variances. Let X = U + V, Y = U + W. Find the correlation coefficient between X and Y.

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