User Account

All Pages

Probability of pulling out a matching pair

Assignment Help Basic Statistics
Reference no: EM132351396

In your drawer you have 10 white socks, 6 black socks, 4 brown socks and 2 blue socks. Your roommate is still asleep, and you cannot turn the light on while you get dressed. You reach in blindly and grab two socks. What is the probability of pulling out a matching pair of black socks?

A. (6/22- 5/21) C. (6/22+5/21)

B. (6/22-6/22) D. (6/22+6/21)

Assume that random guesses are made for 40 multiple choice questions on the Statistics final test and that there are 4 choices on each question with the probability of success 0.25. Find the probability that the student will pass the test by answering at least 20 questions correctly (This problem meets all the requirements of a binomial situation and the following choices are given in a rounded percentage form.)

A. 0.02% B. 0.04% C. 0.06% D. 99.94%

What symmetric interval about the mean will contain approximately 97% of the heights?

A. 58.16 to 69.44 B. 58.60 to 69.00 C. 59.52 to 68.08 D. 58.70 to 68.90

Suppose random samples of 60 female heights are selected repeatedly from the population. What is the approximate mean and standard deviation for the sampling distribution of sample means?

A. Mean = 63.8, SD = 2.6 C. Mean = 8.24, SD = 2.6

B. Mean = 8.24, SD = 0.34 D. Mean = 63.8, SD = 0.34

Reference no: EM132351396

Questions Cloud

Determine the population mean-population standard deviation : Using the grouped data below, determine the population mean and population standard deviation:
Describes scientifically-researched theories : MGMT0110 Organizational Behaviour Assignment - Self-Reflective Paper, University of Manitoba, Canada. Describes scientifically-researched theories
Explain the procedures for recording and reporting accidents : Understanding health and safety practice in a care setting-Identify relevant laws and care setting requirements in relation to health and safety at work.
What are the important points on which a biostatistic : What are the important points on which a biostatistic student should pay attention about doing hypothesis testing to avoid confusion.
Probability of pulling out a matching pair : You reach in blindly and grab two socks. What is the probability of pulling out a matching pair of black socks?
What is the probability of flipping a coin 10 times : What is the probability of flipping a coin 10 times and getting tails 7 times round your answer to the nearest 10th of a percent
Identify the different ways that people communicate. : Communicating with and completing records for individuals in a care setting-Identify the different ways that people communicate.
Describe the values and principles of care : Rights, responsibilities and protection in care- Level 2 IVQ Diploma in Health Care -Explain how care values affect the responsibilities of the care worker.
Concepts of correlation of causation : The most common abuse of correlation in studies is to confuse the concepts of correlation with those of causation.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Population standard deviation

If the population standard deviation is known, we use z Is this correct or not?

  What statistic each group is using

An industry publication reports that the average movie costs $35 million to make, but a watchdog group concerned with rising ticket prices says that the average cost is $46.8 million. What statistic do you think each group is using? Explain.

  New opportunities for african americans

How did the Civil War provide new opportunities for African Americans and help to challenge racism and slavery?

  Computer stores to have higher mean profits per employee

Sample standard deviation s2 = 7.6 thousand dollars. Does this indicate that in St. Louis, computer stores tend to have higher mean profits per employee? Use α = 0.01 and interpret your answer.

  Draw a decision tree of situation

Draw a decision tree of this situation. Draw an influence diagram of the situation. Before deciding, the decision maker considers listening to the weather forecast on the radio. Draw an influence diagram that takes into account the weather forecast.

  What is overall percentage of us population that reads book

Revise the probabilities that he or she is in any given age category. Using these figures, what is the overall percentage of the U.S. population.

  What is the probability to pick out 1 blue , 1 white ,1 blak

What is the probability you will pick out a white pair or a blue pair?

  Does living in the south cause high blood pressure

Does living in the South cause high blood pressure? Data from a group of 6278 whites and blacks questioned in the Third National Health and Nutritional Examination Survey between 1988 and 1994 indicates that a greater percentage of Southerners have..

  Computing the conditional probability

3 cards are randomly selected without replacement from an ordinary deck of 52 playing cards. Compute the conditional probability that the first card selected is a spade, given that the second and third cards are spades.

  Probability of birthday paradox

Show the odds of any two individuals having the same birthday are slightly greater than 1:1 (1:.9732 actually).

  Examining about the uses of coffee

Consider a domain where the word coffee can refer to the following concepts in a knowledge-base: a caffeinated or decaffeinated beverage, ground coffee used.

  Achievement test in mathematics

Suppose that an achievement test in mathematics was given to students from two different high schools A and B. When the results of the test were tabulated

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