Using z score to figure out percentage

Assignment Help Basic Statistics
Reference no: EM13106438

The mean starting salary for college graduates in the spring of 2000 was$31,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of 3,330. That percent of the graduates have starting salaries:

1) Between 30000 and 35000.

2) More than 40000

Reference no: EM13106438

Questions Cloud

Determine the total number of chocolates got by student : Teachers also found that strength of class is maximum satisfying all above conditions. Determine the total no. chocolates got by student A of the first class.
Standard scores in populations : A population with u=73 and o=9 is transformed into a new population with u=10 and o=2. What is the new value for each of the following scores in the population?
Describe active threat and opportunity management process : We have now covered the steps of the Active Threat and Opportunity Management (ATOM) process. What is your opinion of the process as it relates to risk management?
Standardized z-scores for comparisons : How can standardized z-scores be used to compare people across different contexts, such as the batting averages of two players -one who played in the 1970s and one who played in the 1990s?
Using z score to figure out percentage : The mean starting salary for college graduates in the spring of 2000 was$31,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of 3,330.
Z-score calculations for statistics students : The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?
Discuss the aspects of total quality management : Discuss the aspects of Total Quality Management (TQM) and how they apply in service- and product-based businesses.
Distinguish political-ethical views of hobbes with aristotle : Write down the essay comparing and contrasting political and ethical views of Hobbes with Aristotle. Ensure to give the analysis of human nature, whether or not we are naturally social beings.
Relationship of z score and normal distribution : What role do z-scores play in this transformation of data from multiple distributions to the standard normal distribution? What is the relationship between z-scores and percentages?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining poisson probability

Determine the probability of receiving at most three calls in a five-minute interval of time. Determine the probability of receiving exactly 10 calls in 15 minutes.

  Mean amount of time corporation executives watch television

A survey is being planned to determine the mean amount of time corporation executives watch television. A pilot survey indicated that the mean time per week is 20 hours, with a standard deviation of 5.5 hours

  Distribution of normal probability

Micron Electronics makes both desktop and laptop personal computers that they sell directly to customers by phone or over the Internet.

  Find the sample size for the given problem

It is impossible to obtain a standard error less than 2 for any sized sample.

  Sample required for the poll

Polls showed the two main candidates in the 2004 presidential election were nearly tied on the day before the election. To predict the winner a newspaper would like to have a poll that has margin of error less than 1%. Roughly how large a sample w..

  News mainly from newspapers

Given that a respondent is over age 50, what is the probability that he or she gets news primarily from newspapers?

  Description of statistics questions

What is the difference between a descriptive model that is developed using multiple regression analysis with time-series data and a model that is considered predictive?

  Determining utility companies

The speed with which utility companies can resolve problems is very important. GTC, the Georgetown Telephone Company, reports they can resolve customer problems the same day they are reported in 70 percent of the cases.

  Determining probability that teacher earns more per week

Determine the probability that a randomly selected teacher earns more than $525 per week?

  Probability based on combination

The singer has the following variety of songs, in no particular order: 7 relationship songs, 6 songs about people, 4 reflective songs, and 4 songs about places.

  Simple interest and rate of interest

A savings account was opened for a baby on 1985 with a $100 deposit. No withdrawals or deposits occurred since the account was opened. The current balance of the account is $246.47. Measured in dollars of the year in which the account was opened, how..

  Find the minimum sat score

Estimating the individual score using normal distribution and find the minimum SAT score needed to be accepted?

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