Score randomly selected from distribution

Assignment Help Basic Statistics
Reference no: EM1396047

A normal distribution has a mean of µ = 70 with σ = 12. If one score is randomly selected from this distribution, what is the probability that the score will be less than X = 55?

Reference no: EM1396047

Questions Cloud

Discuss the gradual appearance of significant ecological : Discuss the gradual appearance of significant ECOLOGICAL synapomorphic traits (advance shared ecologically functional properties among taxa) that have evolved during the colonization of land by plants, from simpler.
Explain how to create the curious child : The article "How to create the Curious Child" presents methods to aid you regain the curiosity. How might you utilize these methods to help you regain habit of asking.
Illustrate what makes an effective strategic objective : Illustrate what makes an effective strategic objective? Illustrate what are some examples of strategic objectives for you organization or one with which you are familiar?
Determine length of the restriction fragment : Two NotI restriction enzymes cleave DNA on opposite sides of the Dbm gene in a species of yeast. A molecular probe for Dbm detects a DNA restriction fragment of 8.5 kb in organisms that are wild type at Dbm.
Score randomly selected from distribution : A normal distribution has a mean of µ = 70 with σ = 12. If one score is randomly selected from this distribution, what is the probability that the score will be less than X = 55?
Illustrate what possible things could go wrong : Your strata are defined geographically also consist of three areas. These are inner city, close out skirts, also suburbs. Illustrate what possible things could go wrong?
Difference between correlation and regression : When is it best to use either of them? What types of variables can you apply them to, how many variables can each encompass, and which can be employed for a prediction of a new observation?
Explain magnitude of the average emf induced in the band : A technician wearing a circular metal band on his wrist moves his hand (from a region where the magnetic field is zero) into a uniform magnetic field of magnitude.
How large her station should be after a careful analysis : Explain how large her station should be. The annual returns will depend on both the size of her station also a number of marketing factors related to the oil industry also demand for gasoline. After a careful analysis, Susan developed the subseque..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Decorating and christmas enjoyment

Calculate the correlation between decorating and Christmas enjoyment - Maximize Wayne's studying effectiveness.

  Difference in the mean household incomes

There is no significant difference in the mean household incomes between the two neighborhoods +0.05

  Compute an analysis of variance

I have computed an analysis of variance for three groups with 10 observations per group. Evaluate the degrees of freedom for the F test

  Customers representing a simple random sample

If the server has 40 customers in one shift, what is the probability that her total tips are less than $250? (Assume that these 40 customers represent a simple random sample).

  Predicting probability values based on discrete distribution

If a proposal evaluator randomly selected two proposals, what is the probability that both of them met the specified?

  Question on portfolio risk

Portfolio Risk. Who would view the stock of Learning Tower of Pita as a risk reducing investment - the owner of a gambling casino or a successful bankruptcy lawyer? Explain.

  Hypothesis test for the difference between two means

Hypothesis test for the difference between two means - To make the data comparable, certain features, such as the deductible amount and limits of liability, are standardized.

  Delivery format-the general social survey

Delivery Format The General Social Survey asks, "About how often did you have sex in the past 12 months?" About 47% of respondents indicated they had sex at least once a week.

  Variance in the cognitive scores

Does the regression equation account for a significant portion of the variance in the cognitive scores? Use a=.05 to evaluate the F-ratio.

  Strength of a relationship

Which of the following measures only the strength of a relationship?

  Evaluating multiple regression model

Evaluate the multiple regression model between quantity sold (Y) and following explanatory variables: average price of deep-dish pizzas, monthly advertising expenditures, and disposable income per household in areas surrounding outlets.

  Finding the degree of confidence

Based on these results, a confidence interval for the population mean is found to be μ = 5.7 ± 4.4. Find the degree of 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