What percentage of people received a grade

Assignment Help Basic Statistics
Reference no: EM132847212

The results from a statistics class' first exam are as follows: The average grade obtained on the exam by its 45 students is an 85, with a standard deviation of 15 points. Answer the following based on this information:

What percentage of people received a grade of 94 or less?

Reference no: EM132847212

Questions Cloud

Prepare the adjusting journal entries : On December 31 2020 the ending inventory was overstated by 20,000 pesos. Prepare the adjusting journal entries assuming errors were discovered
What are the cities and the week for the best time : What are the cities and the week for the best time to try to hold the event and Find the intersection, union, and difference for the two directions of wind flow
Definable theoretical construct : 1.The extent to which a measurement strategy actually measures a definable theoretical construct or trait is known as?
Determine operating income using variable-costing approach : Non-manufacturing costs incurred in the production of 30,000 units: Determine operating income using variable-costing approach
What percentage of people received a grade : What percentage of people received a grade of 94 or less?
Confidence interval for population proportion : a. Construct a 97.5% confidence interval for population proportion of all males who are left handed.
Make an income statement for Land O Lark Corporation : Make an income statement using the following data for Land O' Lark Corporation for the year ended December 31, 2018: Sales $24,500,000
Calculate the effect size : Paste the appropriate SPSS graph. Calculate the effect size. Show all of your work. Is it considered "small", "medium", or "large"?
How much after-tax cash flow can Mandolin expect : Mandolin, Inc. was considering investing in a new piece of equipment that costs $40,000, How much after-tax cash flow can Mandolin expect

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate the probability of defective keyboard

Suppose 37% of a company's computer keyboards are manufactured in Los Angeles, and 63% in Detroit. Suppose 2% of the keyboards made in Los Angeles.

  Fitting a gaussian to the correlation function

(1) How very over-conservative the log correlation algorithm is, and (2) How variable the aligns algorithm is in fitting a Gaussian to the correlation function.

  Frequency distribution and graphic presentations

Frequency Distribution and Graphic Presentations - On a separate graph draw and label the Cumulative Frequency Polygon.

  Population means-known and unknown

Say a fast-food franchiser is considering building a restaurant in a local mall. According to franchise headquarters, a site is acceptable only if the number of pedestrians passing the location averages more than 100 per hour.

  Is the study descriptive or inferential

Based on a random sample of 2,500 people, the estimates of people by age group unemployed in one Northern city are found in the table. Is the study descriptive or inferential?

  Describe what a type i error would mean in the context of

describe what a type i error would mean in the context of this problem.select onea. reject h0 when the mean score has

  What sample size is needed

What sample size is needed so that the margin of error of your estimate is not larger than 1 hour for 95% confidence

  Explain when to reject hypothesis

suppose you want to test the claim that mu!=3.5 with standard deviation unknown. Given a sample size of n = 40 and a level of significance of alpha=.05, when should you reject H0.

  Construct the confidence interval estimate of mean wake time

Construct the 90?% confidence interval estimate of the mean wake time for a population with the treatment.

  Principle about network exchange between players

The cycle graph on n nodes, denoted Cn, is a graph in which all n nodes are connected in a closed chain.

  What additional information needed to make determination

Is this enough information to determine whether male smokers or female smokers are more likely to contract the disease? If so, make that determination. If not, explain what additional information would be needed to make that determination.

  A study of factors affecting the human cone photoreceptor

a. The reported coefficient of multiple determination was .834. Interpret this value, and carry out a test of model utility.

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