Normal distribution to approximate the probability

Assignment Help Basic Statistics
Reference no: EM1389931

Use the normal distribution to approximate the following probability: According to the most recent Davenport student profile, 47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students will return more than 50% students with children under 17 living at home with them.

Reference no: EM1389931

Questions Cloud

True amount of the compound : You want to determine if the sample result gives good evidence that the true amount of the compound is not equal to 2 gms. Carry out the test, find the P-value, and state your conclusion.
Expectations of new workforce entrants : Expectations of new workforce entrants has- Which of these motivation theories arranges employee needs in a hierarchy of importance?
Measurements of the load required to propagate a crack : SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
Eukaryotic in vitro rna processing system : Construct a eukaryotic in vitro RNA procesing system, focusing on a 23S rRNA in the protist Tetrahymena. To the system, you add all required components for successful RNA processing in Tetrahymena.
Normal distribution to approximate the probability : Use the normal distribution to approximate the following probability: According to the most recent Davenport student profile, 47% of students have children under 17 living at home with them.
Contraceptives work by preventing a man sperm : Birth control is any thing that stop a woman or girl from becoming pregnant, or giving birth. Birth control can mean a wide range of things from contraceptives to other ways of avoiding pregnancy,
Probability that a random sample living at home : 47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students will return more than 50% students with children under 17 living at home with them.
Fraction of walleye-distribution of lengths : Walleye is a common game fish. Adult walleye have a length with a mean of 44 cm and a standard deviation of 4 cm and the distribution of lengths is approximately Normal. What fraction of walleye are between 40 and 48 cm in length?
Find ratio of hydrophobic amino acids : Suppose when performing 2-proteins, one having a molecular weight of 10000 and the other having molecular weight of 100000. both are globular and of similar spherical shape.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of winning jackpot

Find the probability of winning jackpot?

  Calculate a standard error for sample mean production rate

Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?

  Determining height interval the company expect

In what height interval must the company expect to determine middle 70% of kindergarteners?

  Correlation coefficient and scatter plot

The Scatter plot can more easily be generated using the Chart procedure.

  Perform statistical calculations

Divide your data in half, your first 8 observations and your last 7 observations. Then use ANOVA to test to see if there is a significant difference between the two halves of your data. This list of Webpages that Perform Statistical Calculations h..

  Level of significance for the test

Test to see if the mean cell phone bill has changed since 2004. Use a .05 level of significance for the test.

  Identification of continuous and discrete random variables

Identify each of the random variables as continuous or discrete.

  Probability of mean and review for a chemistry test

Given that the mean of all 102 atomic numbers is 51.794, and the population standard deviation is 29.804, what is the probability that the mean of the 40 atomic numbers selected by the student will be at least 57.3?

  Find mean and standard deviation of uniform distribution

Consider a four digit uniform random number generator; as in each of the 10,000 values 0.0000 through 9999 is equally likely. Find the mean and variance of the values produced by such a random number generator.

  Determine the confidence interval for population mean

Determine the confidence interval for population mean and the Superintendent wants to determine the average amount of hours per week the student population studies at home.

  What extent did removal of the outlier improve the fit

Assume that Los Arboles had a special program in place to encourage helmet use. Elucidate to what extent did removal of the outlier improve the fit.

  Why t-distribution used as a part of confidence interval

Explain why the t distribution is used as a part of the confidence interval.

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