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 of patient surviving from disease

The probability that a patient recovers from a disease is 63%. What is the probability that:

  Justify the claim sample of cable subcribers

The consumer advocate claim that 80% of cable televion subcribers are not satisfied with their cable service. In the attempt to justify this claim, a arbitarily chosen sample of cable subcribers will be polled in this issue.

  Null hypothesis-paranormal researcher

A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.

  Population growth model for austin

In 1990, the population of Austin, Texas, was 494,290. During the next 10 years, the population increased by about 3% each year.

  Describe three key lessons learned relative to anova

Describe three key lessons learned relative to ANOVA and Nonparametric tests. what concepts and analytic tools will you be able to use in your workplace?

  Determin ethe number of ways of room occupation

If the names of these 100 people in the building are still unknown but a room is allowed to lodge one tenant at most , then are there how many ways of room occupation?

  Simplified radical form

Write the expression below as simply as possible in its radical form. Assume that all of the variables in the expression represent positive real numbers.

  Effective time of the anesthetic

A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the company is currently producing has a normal distribution with an average of 7.5 minutes and a standard deviation of 1.2 minutes.

  Probability that the student drink alcoholic beverages

If a member of this senior class is selected at random, find the probability that the student a) smokes but does not drink alcoholic beverages; b) eats between meals and drinks alcoholic beverages but does not smoke; c) neither smokes nor eats bet..

  Quantitative methods-power stations in south africa

The following table gives the coal usage and electricity generated by ten randomly selected power stations in South Africa in 1992:

  Sample standard deviations

The sample size  n , the sample means, and the sample standard deviations for the two groups are given below.

  Difference in the proportion of viewers

To determine whether there is a difference in the proportion of viewers watching the three channels.

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