Ten voters are randomly selected and asked if they will

Assignment Help Basic Statistics
Reference no: EM13624936

Ten voters are randomly selected and asked if they will vote for the incumbent President. Five said yes and three said no. Two students are randomly selected with no replacement between the selections.

a)Draw a tree diagram for the two draws and indicate the probabilites.

b) What is the probability that two students will say yes?

c) What is the probability that two will say no?

d) What is the probability that the selection ends up with a one yes and one no?

e) What is the probability that the second says yes after the first said no?

Reference no: EM13624936

Questions Cloud

The probability of a student is a physics major at a : the probability of a student is a physics major at a certain college is 15a find the probability that the eighth person
An opinion poll asks an srs of 100 college seniors how they : an opinion poll asks an srs of 100 college seniors how they view their job prospects. in all 53 say good. the plus four
Identify the populations and parameters of interest then : a study of adverse symptoms in users of over-the-counter pain relief medications assigned subjects at random to one of
A student in the concrete lab places 6 low strength : a student in the concrete lab places 6 low strength concrete test cylinders 3500 psi with a batch of 9 high strength
Ten voters are randomly selected and asked if they will : ten voters are randomly selected and asked if they will vote for the incumbent president. five said yes and three said
Determine the sample size needed to calculate a 95 : determine the sample size needed to calculate a 95 confidence interval for a proportion with a margin or error of
Efficacy of a drug seventy-five 75 people with : efficacy of a drug. seventy-five 75 people with hypertension were given a new drug for the treatment of their
There are two major types of regression analysis-simple : there are two major types of regression analysis-simple and multiple regression analysis. both types consist of
Four out of every 10 online homes in the us have switched : four out of every 10 online homes in the u.s. have switched to broadband high-speed internet. two homes are randomly

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find confidence interval for the mean monthly rent

Find a 95% confidence interval for the mean monthly rent for unfurnished one-bedroom apartments available for rent in this community.

  Blair is almost sure that his monthly costs for the past

write a hypothesis for the following statementsa. the health department is charged with finding out if the rate

  An ad is placed in newspapers in four counties asking for

an ad is placed in newspapers in four counties asking for volunteers to test a new medication for reducing blood

  Find the mean and standard deviation of the number of cars

question 1 find the mean and standard deviation of the number of cars that have more than 1 passenger among the 500

  Describe the optimal solution to linear programming problem

Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.

  Computing confidence interval-absent for sickness

Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.

  Confidence maximum error of estimate for binomial experiment

Calculate the 95% confidence maximum error of estimate for a binomial experiment of 1027 trials that result in an observed proportion of .47.

  Hypotheses for paired t-tests

Describe what assumptions must be met to use this test. Finally, where in your course project data set might you employ a paired t-Test?

  Probability that eight consumers recognize brand name

Find the probability that exactly 8 out of the 10 consumers recognize the brand name. Also find the probability that the number who recognize the brand name is not 8.

  Explain trade-offs that will occur when lower the sample

Card holders should be sampled to meet the original requirements of the sample. Then explain the trade-offs that will occur when you lower the sample to $10,000 to meet their budget.

  Conclusions about tests of subjects in immunology study

In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of skin test reaction to an antigen.

  Confidence interval be narrower or wider

Prepare a 95% confidence interval for the average grocery bill. Would a 99% confidence interval be narrower or wider than the 95% confidence interval?

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!

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