Find minimum score required to not be directed to retraining

Assignment Help Basic Statistics
Reference no: EM13124691

The average score on a particular exam is determined to be 84.35 with a standard deviation of 7.4. Assume the scores are normally distributed. Applicants with exam scores in the lower 10% are directed to special retraining.

What is the minimum score required to not be directed to retraining?

Reference no: EM13124691

Questions Cloud

Set up and solve system of linear equations : What was the average gas mileage obtained by each car in a family there are two cars. The sum of the average miles per gallon obtained by the two cars in a particular week is 50.
Total cost to be debited to investment account : If the bonds bear interest at 12%, which is paid semiannually on January 1 and July 1, what is the total cost to be debited to the investment account?
What is the cn- concentration : A stock solution is prepared by adding 10 mL of 2.5 M Ba(CN)2 to enough water to make 23 mL. What is the CN- concentration of 5 mL of the stock solution
Significant information about isomorphism : Prove that T is a vector space homomorphism. What value of a, b, c, d will T be an isomorphic or isomorphism?
Find minimum score required to not be directed to retraining : Applicants with exam scores in the lower 10% are directed to special retraining. What is the minimum score required to not be directed to retraining?
Calculate the ph : Calculate the pH after 0.15 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.01 M KF.
Description of triangle inequality : Prove the triangle inequality starting with: |V+W|^2. You must use Re (less than or equal to) | | and the Schwarz inequality.
Unethical behavior on the profitability of the company : What was the affect of unethical behavior on the profitability of the company?
Determine confidence interval or the significance test : Can you conclude that every one-bedroom apartment costs less than every two-bedroom apartment? Which is more useful to someone planning to rent an apartment, the confidence interval or the significance test?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Explaining results by using scientifically recognized form

Write up your results by using scientifically recognized form.

  Estimating value of probability of discrete distribution

Determine the event that the sum of the numbers falling uppermost is less than or equal to 7

  Z test for population mean difference

A leasing firm claims that the mean number of miles driven annually, m, in its leased cars is less than 13280 miles. A random sample of 150 cars leased from this firm had a mean of 12584 annual miles driven.

  Probability of the event

The results of a survey for an airline are shown below. Use the chart to find the probability that the traveler was

  Confidence interval for population parameter

The width of a confidence interval will be:

  Information regarding normal approximation to binomial

You attempt a 50 item (n = 50) true-and-false exam. You did not study for the material and your attempt to answer any item is a guess, with a 50% chance that you will get any item correct. You need a score of 30 or better to pass the exam.

  Determining the proportion of wives

A journal polled its readers to determine the proportion of wives who, if given a second chance, would marry their husband again.

  Business statistics-normal distribution curves

Assume that we will randomly select a sample of 64 measurements from a population having a mean equal to 20 and a standard deviation equal to 4.

  Identifying the null and alternative hypotheses

Then test to see whether it considerably varies from 0 [use alpha = 5%]. Don't forget to identify the null and alternative hypotheses.

  What condition imposed on constants for unbiased estimator

If θ1 and θ2 are unbiased estimators of θ, show that θ3=k1θ1+ k2θ2 is biased estimator of θ. What condition must be imposed on constants k1 and k2, so that θ3 is an unbiased estimator of θ?

  Probability that at least one dice showing six

Founder of modern probability and statistics theory Cardano asserted that if one throws a die three times the chance that a given number will show at least once is 50 percent. This is now recognized as the wrong answer. Calculate, what is a probab..

  Chi-square test for independence of attributes

Chi-square test for independence of attributes - Describe why a x 2  test of the resulting contingency table is appropriate for such an investigation.

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