Number of granite selected for analysis

Assignment Help Basic Statistics
Reference no: EM1395335

A geologist has collected 10 specimen of balastic rock and 10 specimens of granite. The geologist instructs a labatory assisstant to randomly select 15 of specimen for analysis.

a. What is the number of granite specimen selected for analysis?

b. What is probability that all specimen of one of the two types of rock are selected for analysis?

c. What is the probability that the number of granite selected for analysis is within 1 standard deviation of it means value.

Reference no: EM1395335

Questions Cloud

Probability that everyone will pass the exam : If there are 500 students in the school, what is the probability that everyone will pass the exam?
Determining the strength of correlation : Determining the strength of a correlation is very important to determine how well one variable can predict another. To determine the strength of a correlation, we have to calculate the correlation coefficient, r.
Interpretation of distance-time graph : Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
Test for partial correlation : A researcher is interested in determining the partial correlation between age (X) and attitude towards interracial marriage (X), controlling for place of residence (rural or urban) (W).
Number of granite selected for analysis : What is the probability that the number of granite selected for analysis is within 1 standard deviation of it means value.
Statistical correlation versus causation : Describe a different example of where the independent variable, while highly correlated to the dependent variable, does not cause the dependent variable to change directly.
Preceding period and the matrix of transition probabilities : Find the product of the vector of state probabilities for the preceding period and the matrix of transition probabilities.
Physics: mechanics about two curling stones : Physics: Mechanics about two curling stones - calculate speed, resistive force Two curling stones A and B, each having a mass of 2 kg, are on an ice rink floor. A is stationary and 10 meters from a boundary wall, while B is sliding at right angles..
Denial of service and distributed denial of service attacks : US cryptography export restrictions: past, present, and future and biometrics for authentication: security and privacy implications.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing hypothesis ounces against alternative hypothesis

A random sample of 36 drinks from a soft drink machine has an average content 7.6 ounces with an standard deviation of 0.48 ounces. Test the hypothesis ounces against the alternative hypothesis at the 0.05 level of significance.

  Evaluating correlation articles

Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.

  Conduct a poll to discover the proportion

how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.

  Determining distribution of proportion

A minority representation group accuses a major bank of racial discrimination in its recent hires for financial analysts. Exactly 10% of all applications were from minority members, and exactly 8% of the 900 open positions were filled by members o..

  Steps of hypothesis testing

The result for University X was a mean of 5 hours and an estimated population variance of 2 hours; for University Y; and for University Z. What should you conclude? Use the .05 level. What should you conclude? Use the .05 level.

  Standard deviations of the mean of distribution

Suppose that we generate a random sample from a given distribution. If it is desired that the probability that the sample mean will be within 2 standard deviations of the mean of the distribution is at least .99, how large should the sample size b..

  Difference in the standard error for two samples

The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample mean and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two samp..

  Constructing the confidence interval for population mean

Construct the 90% and 99% confidence interval for population mean. Which interval is wider? If convenient, utilize technology to construct confidence intervals.

  Homogeneity of variance assumption

For each of the following problems, assume that the homogeneity of variance assumption has not been met and that you will need to use the adjusted Welch statistic.

  Evaluating true mean delivery time using standard deviation

Evaluate true mean delivery time to within 5 minutes at 90% reliability level?   Suppose that standard deviation for delivery times is 18.2 minutes.

  Probability based on geometric distribution

Follow the conventions as described in the general guidelines for writing up Special Problems.

  Group means for a significant difference

Using the appropriate statistical procedure on the SPSS, test the between group means for a significant difference.

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