Adults having iq scores and are normally distributed

Assignment Help Basic Statistics
Reference no: EM13105404

Assume adults have IQ scores that are normally distributed with a mean of 105 and a standard dviation 20. Find the probability that a rondomly selected adult has an IQ betwwen 93 and 117.

Reference no: EM13105404

Questions Cloud

Maximum error of estimate-sample size-width of confidence : Given a level of confidence of 99% and a population standard deviation of 10, what other information is necessary:
Explain the steps and compute your profit : explain the Steps and compute your profit? Illustrate what are the implications of trading spreads and commission costs for this profit? Is commission costs are $3,000 per transactions, is arbitrage still possible and profitable?
Describe the seven external factors that could impact : Describe the seven external factors that could impact the business as well as marketing efforts
Determine the length of time the bullet : The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-5.30 107) t 2 + (3.15 105) t, where v is in meters per second and t is in seconds.
Adults having iq scores and are normally distributed : Assume adults have IQ scores that are normally distributed with a mean of 105 and a standard dviation 20. Find the probability that a rondomly selected adult has an IQ betwwen 93 and 117.
Identify the four key issues as hr director : Doris Washington recently assumed her new position as HR Director at the XYZ Company, a software development firm with approximately 350 employees.
Confidence interval for pulse rate increase : A certain medication is known to increase the pulse rate of its users. The variance of the pulse rate is known to be 10 beats per minute.
Functional areas of business that you would like to focus : Discuss the few, one to three (1-3), functional areas of business that you would like to focus on as you progress through the business curriculum at Strayer University.
The united states uses a matrix structure for rd : A foremost steel producer in the United States uses a matrix structure for R&D. When the product is developed,

Reviews

Write a Review

Basic Statistics Questions & Answers

  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.

  Examples of the business outcomes

Can you envision circumstances under which these outcomes would not be normally distributed? Provide three distinct examples of the business outcomes that are not normally distributed.

  Clearest diffrence between the two samples

Which of the following sets of data provides the clearest diffrence between the two samples?

  Standard error of the sampling distribution

Compute the standard error of the sampling distribution of sample means.

  Probability through binomial distribution

Find the probability that fewer than 10 of those sampled currently have access to online services.

  Probability on poisson distribution

It is estimated that 0.5 percent of the 1200 callers per day to the Customer Service Department of Dell, Inc. will receive a message that the line is busy and be automatically transferred to a winning mode until a "representative is available to t..

  Probability problem of big ten university

An alcohol awareness task force at Big-Ten university sampled 20 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying

  Condition for the events to be independent

Using the simple test of independence (described in the lecture), decide if the events high calorie and high fiber are independent or dependent. Show your work.

  Basics of confidence interval numbers mean

Calculate a 95% confidence interval on the average weight of packaged mustard seed. Explain very carefully to the packaging workers what the 95% confidence interval numbers mean. Include your Excel output. Is there anything you would want to note ..

  Model of probability

What is the 'Equally-likely Outcomes Model of Probability?" What is the formula for this model of probability?

  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 weighted mean for semester grades

Suppose a student received the following grades for the semester: History, B; Statistics, A; Spanish, C; and English, C. History and English are 5 credit hour courses

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