Find percentage of students with gpa-s above three

Assignment Help Basic Statistics
Reference no: EM13150471

The average grade point average (GPA) of undergraduate students in New York is normally distributed with a population mean of 2.5 and a population standard deviation of .5. Compute the following, showing all work:

(II) The percentage of students with GPA's above 3.0 is:

(III) Above what GPA will the top 5% of the students be (i.e., compute the 95th percentile):

(IV) If a sample of 25 students is taken, what is the probability that the sample mean GPA will be between 2.50 and 2.75?

(a) less than .10
(b) .122
(c) .243
(d) .307
(e) .346
(f) .38
(g) .42
(h) .44
(i) .494
(j) more than .494.

Reference no: EM13150471

Questions Cloud

How much hcl in grams would be necessary to consume : If a single pill contains 0.150 grams of KCN How much HCl in grams would be necessary to consume all of the KCN
Expenses qualify for a medical deduction by joanne : Sierra has medical staff in residence. Disregarding the 7.5% floor, how much, if any, of these expenses qualify for a medical deduction by Joanne?
Find probability randomly selected braking distance is less : Let x be a random variable that represents a braking distance. Find the probability that a randomly selected braking distance is less than 49 meters.
How much will sulphur dioxide dissolve in water : if 0.80 g of sulfur dioxide at 10.00 atm pressure (pi) dissolves in 5.00 l of water at 25.0 degress celcius how much will sulphur dioxide dissolve in 1 l of water at 9.00 atm pressure (p2) and the same temperature?
Find percentage of students with gpa-s above three : normally distributed with a population mean of 2.5 and a population standard deviation of .5. Compute the following, showing all work: The percentage of students with GPA's above 3.0 is?
Cost assigned to ending inventory : Determine the cost assigned to ending inventory and to cost of goods sold using (a) specific identification, (b) weighted average, (c) FIFO, and (d ) LIFO. (Do not round interim calculations. Round per unit costs to three decimals. Round your answ..
General and adjusting journal enries-t-accounts : Prepare the following using any required worksheets, general and or adjusting journal enries, T-accounts, and trial balance per pg 212 style.
How many grams of oxygen are collected in a reaction : How many grams of oxygen are collected in a reaction where 265mL of oxygen gas is collected over water at a temperature of 25 degrees celcius and a total pressure of 696 torr
Amount allocated to cost of goods sold : Using the FIFO inventory method, the amount allocated to COST OF GOODS SOLD for July is ??

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability randomly selected third grade students had pizza

Based on observations of a few third graders in the lunch line, they assess P(P) as 0.75. More convincing evidence that P(P) is .75 would be?

  Value function for attributes

Assume a customer has a two-attribute value function for cars: cost and quality. Cost can range from $5,000 to $10,000 and quality can range from 0 to 10 (a higher score is better).

  Find the correlation and explain why is it so high

What is the correlation, and why is it so high? Since all of the guessed weights were higher than the actual weights, does that influence the correlation at all?

  Calculate the control limits for a c-chart

Calculate the control limits for a c chart when Ubar = 3.0%, n = 60, and you collect one sample per hour for 40 hours of production. (2 sets of control limits required, x bar and range)

  Confidence interval for proportion of non-fatal accidents

Contruct a confidence interval for the proportion of non-fatal accidents that involved a cell phone at a 95% confidence interval.

  Create indicated confidence interval for population mean

Create the indicated confidence interval for population mean using (a) t-distribution. (b) If you had incorrectly used normal distribution, which interval would be wider?

  Minimization and maximization lp model

Distinguish between a minimization and maximization LP model. Other than minimizing costs and maximizing profits, give a real-world example of where you would want to minimize something or maximize something.

  Hypothesis testing on motor vehicle accidents

A random sample of 400 college students was selected and 120 of them had at least one motor vehicle accident in the previous two years. A random sample of 600 young adults not enrolled in college was selected and 150 of them had at least one motor..

  Models are best suited to forecast a time series

Multiple choice question using Forecasting techniques. Which among of the following models are best suited to forecast a time series with a stable seasonality component.

  Formulating the author argument

The kinds of statistical methods that were used to formulate the author's argument.

  Interpreting the results of various types

How do we go about interpreting the results of various types of statistical tests in health care research?

  Mean difference in weight gain for pigs fed

An experiment ws designed to estimate the mean difference in weight gain for pigs fed ration A as compared with those fed ration B. Eight pairs of pigs were used. The pigs within each pair were littermates.

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