What is the probability that the mean is above 51.1

Assignment Help Basic Statistics
Reference no: EM1316594

Probability using normal distribution.

Sampling distributions. Given a normal distribution with μ = 50 and standard deviation σ = 9, if a sample of n = 100 is selected.

What is the probability that the mean is above 51.1?

Reference no: EM1316594

Questions Cloud

The probability that the freshman selected at random : Among 500 freshmen pursuing a business degree at a university, 347 are enrolled in an economics course, 204 are enrolled in a mathematics course, and 160 are enrolled in both an economics and a mathematics course.
Illustrate what was the lowest score earned on the exam : Illustrate what was the lowest score earned on the exam. Explain how many students scored within 3 standard deviations of the mean.
Find probability with the cards : An experiment consists of selecting a card at random from a 52-card deck. Refer to this experiment and find the probability of the event.
Describe portfolio management : Describe Portfolio Management and Write a brief outline covering the core idea in the Markowitz
What is the probability that the mean is above 51.1 : Probability using normal distribution.Sampling distributions. Given a normal distribution with μ = 50 and standard deviation σ = 9, if a sample of n = 100 is selected.
Find the shaded area : Four congruent quarters circle are drawn inside square of side length four centimeters f ind the shaded area
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.
Calculation of portfolio return and variance : Calculation of portfolio return and variance and standard deviation Use the Solver function in Excel to suggest different combinations of equity that will either provide the same return for less risk
Probability based on normal distribution : Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finding regression equation

If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee? How can you tell?

  Correlation in the population

A random sample of 15 paired observations has a correlation of -.46. Can we conclude that the correlation in the population is less than zero? Use the .05 significance level.

  Computing chance that pharmaceutical stock will fall

What is the chance that stock will fall by more than 15% next month?  What extra assumption are you making when replying this question?

  Hypothesis test for one population proportion

What is the null and alternative hypothesis? What is your final conclusion?

  Rising the probability of best case scenario

If campaign can be expected to also to rise the probability of best case scenario to 0.4, is it a good investment.

  Partial anova table

Assume the data for the three groups are independent and the data are approximately Normal. The P-value is less than 0.01. The correct conclusion is that

  Compute a 95% confidence interval for the mean

Compute a 95% confidence interval for the mean using the formula and where is the mean of the ten random numbers.

  Assumptions of t distribution

Explain why we need to use the t distribution. What assumption do you need to make?

  Introduction to statistical process control

Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D

  Logistic regression model

A researcher was interested in determining whether incentives affect the response rate in surveys. A simple random sample of 50 adult residents of a large city was selected. All were mailed a survey and promised a check upon returning a completed ..

  To test the claim using chi-square test for independence

Collapse the response categories in the following tables so that it meets the assumptions of the chi-square test; than perform the test.

  Hypotheses test-equality of two means

He would like to determine whether there are more units produced on the afternoon shift than on the day shift.

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