User Account

All Pages

What proportion of subjects take longer than 30 seconds

Assignment Help Basic Statistics
Reference no: EM132201220

The reaction time to a certain psychological experiment is considered to be normally distributed with a mean of 20 seconds and a standard deviation of 4 seconds.

(i) What proportion of subjects take longer than 30 seconds to react?

(ii) What is the reaction time such that only 10% of subjects are faster than this time?

Reference no: EM132201220

Questions Cloud

What critical value you should use to test dr stat : What critical value you should use to test Dr. Stat's claim that statistics students have a mean pulse rate greater than 60.0 bpm at a 0.01 significance level?
Move RR robotic arm in rectangular workspace : Move RR robotic arm in rectangular workspace and compute its torque. Use Lagrange equations - Neural Network Based Adaptive Actuator Fault Detection Algorithm
Mean amount of gas supplied is actually less than 1 gallon : As an employee of the Orange County Bureau of Weights and Measures, you have been assigned the project of testing the hypothesis:
What value should you use for the standard error : What value should you use for the standard error
What proportion of subjects take longer than 30 seconds : The reaction time to a certain psychological experiment is considered to be normally distributed with a mean of 20 seconds and a standard deviation of 4 seconds
Discuss the positive and negative aspects of globalization : Identify two ways in which globalization may affect your business or a business you are familiar with. Use your observations to discuss the positive.
Diagnosed with osteoarthritis or hypertension : What is the probability that a patient at this clinic has been diagnosed with osteoarthritis OR hypertension?
How cost-effectiveness of britain socialize medicine compare : How does the cost-effectiveness of Britain's "socialized medicine" Compare and Contrast to the United States private insurance through employment; single-payer.
Association between autism and the rubella vaccine : An analysis was conducted in 1999 to find an association between autism and the rubella vaccine.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What sampling distribution samples consists travel expense

For each of the following three populations, indicate what the sampling distribution for samples of 25 would consist of: Travel expense vouchers for a university in an academic year.

  Probability to see royal straight flush dealt at least once

Avid poker player sees 100 hands a week, 52 weeks a year, for 20 years. What is the probability that she sees a royal straight flush dealt at least once?

  If one of the respondents is randomly selected find the

in a poll respondents were asked whether they had ever been in a car accident. 177 respondents indicated that they had

  Arm length resulting in a challenging control problem

The Manutec robot has large inertia and arm length resulting in a challenging control problem, as shown in Figure AP10.8 (a). The block diagram model of the system is shown in Figure AP10.8 (b).The plant dynamics are represented by

  Levine inc is considering an investment that has an

levine inc. is considering an investment that has an expected return of 15 and a standard deviation of 10. what is the

  One sample standard deviation hypothesis test

Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women in New York City in the year 2010. One facet of the study

  Descriptive and inferential

1. The subject of statistics is often divided into two parts: descriptive and inferential. Briefly describe each.

  Why is the normality assumption not a problem

In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, and found that 1,143 were positive. (a) Construct a 95 percent confidence interval for the population proportion..

  How do you define environmental scanning

How do you define environmental scanning? What is the main purpose of conducting an environmental scanning? Why is it important?

  Percentage of impurities in the given brand of peanut butter

With reference to Exercise 32, construct a 90% confidence interval for the standard deviation of the population sampled, that is, for the percentage of impurities in the given brand of peanut butter.

  Population proportion of airline travelers

Construct a 95% confidence interval estimate for the population proportion of airline travelers who think that the airline fee that is most unreasonable is additional charges to redeem point/miles.

  Computing mean and standard deviation for sample

Compute mean and standard deviation for sample of N = 8 females and sample of N = 8 for males.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd