Lake wobegon junior college admits students only if they

Assignment Help Basic Statistics
Reference no: EM13605538

Lake Wobegon Junior College admits students only if they score above 400 on a standardize achievement test. applicants from group A have a mean of 500 and a standared deviaton of 100 on this test, and applicants from group B have a mean of 450 and a standared deviation of 100. Both distributions are approximately normal and both groups have the same size.

a. Find the proportion not admitted for each group.

b. of the stdents who are not admitted, what proportion are from group B?

c. A state legislator proposes that the college lower the cutoff point for admission to 300, thinking that the poposrtion of the students who are not admitted who are from group B would decrease. If this policy is implemented, determine the effect on the answer to (b) and comment.

Reference no: EM13605538

Questions Cloud

If the wait time is less than 10 minutes you pay 2 if it : the wait time minutes you experience waiting for a bus is modeled by t10x-10 x is randon variable have prob. density
The direction of the beam is then slowly rotated around an : a laser beam with a wavelength of 532 is directed exactly perpendicular to a screen having two narrow slits spaced
During a pulse what is the light intensity on the target : asers can be used to drill or cut material. one such laser generates a series of high-intensity pulses rather than a
Related data are product unit selling price unit : carter co. sells two products arks and bins. last year carter sold 14000 units of arks and 56000 units of bins.
Lake wobegon junior college admits students only if they : lake wobegon junior college admits students only if they score above 400 on a standardize achievement test. applicants
After listing the 16 different possible samples and finding : the assets in billions of dollars of the four wealthiest people in a particular country are 37332116. assume the
Assume that krause co sold 8000 units of product a and 2000 : assume that krause co. sold 8000 units of product a and 2000 units of product b during the past year. the unit
A drawer contains 10 red socks 4 blue socks and 8 black : a drawer contains 10 red socks 4 blue socks and 8 black socks. suppose you chose two socks at random. find the
Suppose the problem statement is as follows roll two 6 : 1 suppose the problem statement is as follows. roll two 6 sided dice and add the numbers on the faces. what is the

Reviews

Write a Review

Basic Statistics Questions & Answers

  State that the average weekly salary for all teachers

With what degree of confidance can we state that the average weekly salary for all teachers in this area is between $487 and /4517.

  Find better relative to class using standard deviation

Class where the mean is 85 and the standard deviation is 4.59, who did better relative to their class? Note both did better than the class mean. How do you answer this question?

  Testing the difference between two meansbull what two

testing the difference between two means.bull what two assumptions must be met when you are using the z test to test

  Question regarding statistics equations

The random sample population is 500 people who shop for workout programs and equipment. The sample mean of those shopping is that they spend an average of $250.00 per purchase and perchance at least 2 to 3 items for working out and weight lost

  Estimate the chance that the sum will be positive

You are asked to estimate the chance that the sum will be positive. Can you do it if you are also told the average and SD of the numbers in the box, but are not told the numbers themselves?

  Probability that boats will be constructed in one month

Determine probability that number of boats constructed next month will be between 4 and 7 (both inclusive).

  Determine if stocks from socially conscious companies

Determine, with 95% confidence, if the stocks from "socially conscious" companies are different from the mean P/E ratio of all other major stocks.

  Why moving average forecast model instead of naive model

Which of the following would be a reason to choose a Moving Average Forecast model instead of a Naïve Model to forecast a series of data into the future?

  Indicators of a maternal diagnosis of toxemia

Indicators of a maternal diagnosis of toxemia during the pregnancy, a condition characterized by high blood pressure and other potential complications, are saved under the variable name tox (1: toxemia; 0: no Toxemia).

  Build regression models for predicting house

Build regression models for predicting house prices. We will be using data collected on 91 houses in Gainesville, Florida. The dataset contains the selling price of each house and information on four other explanatory variables.

  What is the average rating for all cbc movies how about abn

part a lsquothe hidden traps in decision making part a of the final project requires you to review amp discuss an

  Probability randomly chosen drivers coming to intersection

What is the probability that , of 20 randomly chosen drivers coming to an intersection under these conditions, a) At most 2 will come to a complete stop?

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