Normal distribution of high school with mean

Assignment Help Basic Statistics
Reference no: EM13102937

High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is

a) 0.4678

b) 0.0829

c) 0.8527

d) 0.3849

Reference no: EM13102937

Questions Cloud

Confidence interval for the student population proportion : Of the 250 students in a blind taste test, 150 (60%) preferred Milwaukee's Best over Natural Light. Then the 90% confidence interval for the student population proportion preferring Milwaukee's Best is:
Probability of defective circuit card in sample : Printed circuit cards are placed in a functional test after being populated with semiconductor chips. A lot contains 140 cards, and 20 are selected without replacement for functional testing.
How obstacles to equal educational opportunities are explain : How did students come to receive opportunities. How can obstacles to equal educational opportunities be addressed? Explain your rationale.
Probability of weight distribution of gerbil : The state's smallest animal is a red-tailed gerbil, with a mean weight of 2.5 grams and a standard deviation of 0.25 grams. Assuming that the weights are normally distributed
Normal distribution of high school with mean : High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is
Determine gas company practices to blame for calamity : Determine that gas companys' practices may be to blame for calamity. You decide, at that point, to spread word around community about findings so that everyone can unite in fight for justice.
Policy of booking : Air-America has a policy of booking as many as 14 people on an airplane that can seat only 12. (Past studies have revealed that only 92% of the booked passengers actually arrive for the flight.)
Question on probability for normal distribution : Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.
How event affect course of study choice of career path : Explain how your own life would be different if one specific event of 1960s had never occurred. How did that same event affect your course of study choice of carerr path?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Findout the percentage of data among standard deviation

For a standard normal distribution, findout the percentage of data that are among 3 standard deviation below the mean also1 standard deviation above the mean.

  Categorical responses between two independent group

The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..

  Effect on series baseline system having single element

An element E has a constant failure rate (lamda) and a reliability at time t of R(t)=p, if p=0.2 and 0.8, What is the effect on Rs(t), and basic reliability, serial MTBF, of adding additional elements to the series baseline system containing a sin..

  Understanding probability distributions

What shape curve do you get when your data set has the mean, median, and mode all with the same value? Could the value of the sample mean and the value of the population mean ever be the same?

  Number of blemishes on each piece

In checking the quality of the work, she notices that some slight blemishes occasionally are apparent. A sample of 20 pieces of work resulted in the following number of blemishes on each piece:

  Probability regarding reading news online

20% of teenagers in a small town say they like reading news online. Suppose you randomly select 7 teenagers from the town and ask them whether or not they enjoy reading news online. Find the probability that at least 3 say they enjoy reading news ..

  Computing value of coefficient in objective function

What is Excel formula in B9 giving first value of coefficient in the objective function?

  Levels of significance-anova-correlation coefficient

Suppose the following table shows the number of colds 7 different people got during the typical cold season based on the number of times they washed they washed their hands per day during the cold season.

  Find out the probability of an event relies on past history

Find out the probability of an event relies on past history of record data. The relative frequency method of computing the probability of an event relies on past history.

  Computing and interpreting suitable measure of association

Draw the suitable 2x2 table, compute and interpret suitable measure of association.

  Determining the value of population mean

Determine the value of population mean? What is the best evaluate of this value?

  Sample size required to obtain error

What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?

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