In a study to estimate the proportion of residents in a

Assignment Help Basic Statistics
Reference no: EM13628310

In a study to estimate the proportion of residents in a city that support the construction of a new bypass road in the vicinity, a random sample of 1600 residents were polled. Let X denote the number in the sample who supported the proposal. To estimate the true proportion in support of the plan, we can compute p^=X+1600?/21600. The estimator p^ has bias

A. 1/(2×40).

B. 40/2.

C. 1/40.

D. 1/1600.

E. 0, so unbiased.

Reference no: EM13628310

Questions Cloud

Find the probability that a data value picked at random : find the probability that a data value picked at random from a normally distributed population will have a standard
The fda is comparing the mean caffeine contents of two : the fda is comparing the mean caffeine contents of two brands of cola. independent random samples of 6-oz. soda cans of
The fda is comparing the mean caffeine contents of two : the fda is comparing the mean caffeine contents of two brands of cola. independent random samples of 6-oz. soda cans of
Let x represent the absolute value of the difference : let x represent the absolute value of the difference between the number of heads and the number of tails when a coin is
In a study to estimate the proportion of residents in a : in a study to estimate the proportion of residents in a city that support the construction of a new bypass road in the
The time in hours for a worker to repair an electrical : the time in hours for a worker to repair an electrical instrument is a normally distributed random variable with a mean
A political strategist calims that 55 of voters in madison : a political strategist calims that 55 of voters in madison county support his candidate. in a poll of 200 randomly
Suppose that 17 of the undergraduates are seniors while the : in a survey of undergraduate library usage it was found that 76 of seniors 59 of juniors 50 of sophomores and 28 of
The purpose of this process is to ensure the defect rate is : in a tire factor the quality control inspector examines a randomly chosen sample of 16 tires. when more than one

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of weight of quarter

Currently, quarters have weights that are normally distributed with a mean of 5.670 g and a standard deviation of 0.062 g. A vending machine is configured to accept only those quarters with weights between 5.550 g and 5.790 g.

  Suppose the joint pdf of lifetimes of a certain part and a

suppose the joint pdf of lifetimes of a certain part and a spare is given byfx y e?xy 0 lt x lt ? 0 lt y lt ?and zero

  What is the probability of woman receiving a salary

According to Advertising Age, average base salary for women working as copywriters in advertising firms is higher than average base salary for men. The average base salary for women is $67,000 and the average base salary for men is $65,500 (Workin..

  Testing equality of two mean

Testing equality of two means - difference in performance of the two gasolines and difference in gasoline mileage output

  What are the limitations and significance of the data what

deliverable length 4-8 paragraphs inforum topic with all of the recent frauds and corporate scandals similar to merck

  Confidence interval for hmo example

Under the assumption that co payment amounts are normally distributed, find a 99% confidence interval for the mean amount in dollars.

  Determine the estimated probability

Upon reviewing the accounting records from the restaurant, you discover that it grosses roughly $3000 per day on 6 out of 10 days. Determine the estimated probability that the restaurant will gross over $3000:

  Null and alternative hypotheses for testing

Set up the null and alternative hypotheses for testing these claims. In order to conduct the test, the customer selected a significance level of alpha=.05. Interpret this value. (I.e. what does it mean to conduct the test at a level of alpha=.05)

  Statements regarding the coefficient of correlation is true

Which of the following statements regarding the coefficient of correlation is true. A value of 0.00 indicates two variables are not related.

  In a library of 3000 songs 50 are from a particular group

in a library of 3000 songs 50 are from a particular group. the library is shufled and played until the kth song from

  Probability that randomly selected returns are greter

In 2007, the IRS audited 1.77% of individual tax returns with income greater than $100,000. What is the probability that two randomly selected returns with income greater than $100,000 will be audited?

  Report the known project with all information

What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..

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