Probability of selecting marbles

Assignment Help Basic Statistics
Reference no: EM13102738

A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red one?

a. 5C3 x 7C1/12C4
b. 5P3 x 7P1/12P4
c. 5C2 x 7P2/12
d. Answer not listed

Reference no: EM13102738

Questions Cloud

Probability of birthday paradox : Show the odds of any two individuals having the same birthday are slightly greater than 1:1 (1:.9732 actually).
Probability of quality of customer service : In a survey on the quality of customer service at Car Toys, customers were asked to rate the service on a scale from 1 to 10, with 10 being that a customer was completely satisfied.
Difference in the determination of a confidence interval : Describe the difference in the determination of a confidence interval of a normal distribution if the variance is known or unknown.
Describe concepts-terminology diversity and communication : Write down 700 word paper in which you describe the following main concepts and terminology: Organizational Culture & Behavior, Diversity and Communication.
Probability of selecting marbles : A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red one?
Issue trying to determine what equation to use : In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
Probability distribution for radio station : A radio station that plays classical music has a "By Request" program each Saturday night. The percentage of requests for composers on a particular night are listed below:
Confidence interval for mean difference in blood pressure : Systolic blood pressures are measured at baseline and again 4 weeks later. Compute a 95% confidence interval for the mean difference in blood pressure over 4 weeks.
Probability in birth weight between babies : Consider babies born in the "normal" range of 37 - 43 weeks gestational age. What is the probability that the birth weight of a randomly selected baby of this type:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Difference in standard error

You've two separate sets of data. From one set you calculate the standard error to be 500. From the other set, the standard error was 5.

  Determining sample size to obtain the error

What sample size would be required to obtain the error of ±10 square millimeters with 99 percent confidence?

  Expected value of the time

Given that a Brand A battery just failed, what is the expected value of the time we wait until the next Brand B failure?"

  What is the distribution with a mean of 0

Which of the following is NOT true regarding the normal probability distribution.

  Correct description for empirical rule

A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical. Which of the following statements is ..

  Student team examined parked cars using alpha

Student team examined parked cars in 4 different suburban shopping malls. One hundred vehicles were studied in each location. Research question : At α = . 05.

  Value of perfect information

The difference between expected payoff under certainity and expected value of the best act without certainity is the expected:

  Population risk difference and population attributable risk

Compute the population attributable risk for smoking and lung cancer.

  Polling organizations conduct polls

Gallup Polls When Gallup and other polling organizations conduct polls, they typically contact subjects by telephone. In recent years, many subjects refuse to cooperate with the poll.

  Mean and standard deviation of the shopping time

A study of the time spent shopping in a supermar- ket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping time will be:

  Correlation between two events

Research has shown that the people often see a correlation between two events when one does not really exist. Why do you think this happens?

  Fitting of simple linear regression equation

Fitting of simple linear regression equation - A researcher wishes to determine whether a person's age is related to the number of hours he or she jogs per week.

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