A professor would like to utilize the normal distribution

Assignment Help Basic Statistics
Reference no: EM13578208

A professor would like to utilize the normal distribution to assign grades such that 5% of students receive A's. If the exam average is 62 with a standard deviation of 13, what grade should be the cutoff for an A?

Reference no: EM13578208

Questions Cloud

Two accountants for the firm of allen and wright are : two accountants for the firm of allen and wright are arguing about the merits of presenting an income statement in a
Explain the parts of a decision tree what are some benefits : explain the parts of a decision tree.what are some benefits of using decision trees?in what ways can decision trees be
How much service department cost would be allocated to the : abc corporation has three service departments with the following costs and activity baseservice departmentcostactivity
Undeveloped real estate in mr greys name and the name of : undeveloped real estate in mr. greys name and the name of his daughter sue smith jointly with right of survivorship
A professor would like to utilize the normal distribution : a professor would like to utilize the normal distribution to assign grades such that 5 of students receive as. if the
At the 005 significance level is there a positive : the correlation between the number of police on the street and the number of crimes committed for a sample of 15
Mareos company purchased for 3800000 a mine estimated to : mareos company purchased for 3800000 a mine estimated to contain 2 million tons of ore. when the ore is completely
Facts for questions 2 and 3 mr grey died on january 1 : facts for questions 2 and 3. mr. grey died on january 1 2012. mr. grey made no gifts during his life. under his will
Callon co uses the composite method to depreciate its : callon co. uses the composite method to depreciate its equipment. the following totals are for all of the equipment in

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use a test of hypotheses of level alpha = 0.05

Using this data, is there enough evidence that the average depth of the ice sheet is below 3140 m? Assume that the depth of the ice sheet is normally dstributed. Use a test of hypotheses of level alpha = 0.05.

  Determining two way analysis of variance

I want to see two methods are the significantly same or not. Each methods has 5 variables are inside. so I would like to see each 5 variables from methods A and B are significantly the same and overall the two methods are significantly same or not..

  Find percentage of battery with life time of at least hours

Find (i) the percentage of batteries with a life time of at least 470 hours (ii) the proportion of batteries with life time between 385 and 415 hours. (iii) the minimum life of the best 5% of batteries.

  Developing a nentry five percent confidence interval

What is a point estimate of the P/E ratio for the population of stocks listed on the New York Stock Exchange? Develop a 95% confidence interval.

  Find probability that group of nine graduates have average

Find the probability that a) an individual graduate will have a salary over $45000 and b) A group of nine graduates will have a group average over $45000.

  Distribution in stata and obtain the sample mean and st. d

A random variable X with PDF f(x)=2xe^-x^2, where x>0. I need to draw a random sample of size 1000 from this distribution in Stata and obtain the sample mean and st. dev.

  Hypothesis testing of credit card

The bank credit card department of Carolina Bank knows from experience that 5 percent of the card holders have had some high school, 15 percent have completed high school, 25 percent have had some college

  Confidence interval for the weekly average expenditure

construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under. Assume fast food weekly expenditures are normally distributed.

  Graphical representations of different functions

Use the graph of f(x)= x^ to match the function to its corresponding graph. In words describe the transformation that occurs (ex: The graph of f(x) is shifted 6 units to the left).

  Recall that adding a constant causes the mean to change

Recall that adding a constant causes the mean to change but has no influence on the variability of the sample. In the resulting data the mean differences are much smaller than those in problem 7.

  Determining two sample test of hypothesis

A random sample of 15 observations from the first population revealed a sample mean of 350 and a sample standard deviation of 12. A random sample of 17 observations from the second population revealed a sample mean of 342 and a sample standard dev..

  Manufacturer of guitar amplifiers markets one of its models

Manufacturer of guitar amplifiers markets one of its models, Vagabond, at a power rating of 45 watts. GuitarGod magazine suspects that this rating is inaccurate for this year's model of the amp. In a random sample of 32 units of this year's version o..

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