Probability that both televisions work

Assignment Help Basic Statistics
Reference no: EM13101218

Suppose you just received a shipment of eight televisions. Two of the televisions are defective. If two televisions are randomly selected, compute the probability that both televisions work. What is the probability at least one does not work?

Reference no: EM13101218

Questions Cloud

Probability distribution of temperature : High temp for January 1st is normally distributed with a mean of 40 degrees and a standard deviation of 5 degrees.
Information about probability calculations : Consider Obama's health care plan. There are = #s of males and females. 50% of the females approve (A) of the plan and 70% of the males do not approve (N) of the plan.
Illustrate what rule should the court apply to interpret : EBSA filed a suit in a NJ State court against EMA for breach of contract. Illustrate what rule should the court apply to interpret the party's contract? Explain how should that rule be applied? Explain why?
Estimate the total annual purchasing and transportation cost : Bloom's Jeans is searching for new suppliers, and Debbie Bloom, the owner, has narrowed her choices to two sets. Debbie is very concerned about supply disruptions, so she has chosen to use three suppliers no matter what.
Probability that both televisions work : Suppose you just received a shipment of eight televisions. Two of the televisions are defective. If two televisions are randomly selected, compute the probability that both televisions work. What is the probability at least one does not work?
Calculate earnings after taxes for each of your alternatives : Given that Collins's earnings before interest and taxes are $180,000, calculate earnings after taxes for each of your alternatives. Assume a tax rate of 40 percent.
Illustrate what will earnings per share be : Illustrate what will earnings per share be? Would it be higher or lower than the earnings per share computed for the most aggressive plan computed?
Anesthetic employed in surgery in the hiccups : A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10 percent of the cases. If three patients are scheduled for surgery today and are to be administered this anesthetic, compute the probability that
What is the cold-reservoir temperature in c : A Carnot engine with a hot-reservoir temperature of 360 has the same thermal efficiency. What is the cold-reservoir temperature in C?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Relative frequency approach for probability distribution

Use the relative frequency approach to construct a probability distribution for the number of tests taken.

  Statistical significance in evaluating the quality

Using the paired t test because the samples are correlated with each other could be another avenue. This would help us find the p-value and look at the statistical significance in evaluating the quality of care or outcomes in a medical home.

  Determining more variation in first population

Standard deviation of 7. At 0.01 significance level, is there more variation in first population?

  Hypothesis testing of equality of two proportions

Calculate the sample statistic and standard error you will use to create the test statistic.

  Probability based on binomial to normal approximation

At one excavation site 8641 pot shards have been found that not yet been cleaned and identified. What is the probability that:

  Preference of an anova over a t-test

Comment on your statistical findings? Do you agree with your initial statement regarding the preference of an ANOVA over a t-test when examining more than two groups?

  Normally distributed random variable problem

X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)

  Two-parameter exponential distribution

Let X1, ..., Xn be a random sample from a two-parameter exponential distribution, Xi ~ EXP (theta, eta). (a) Assuming it is known that eta = 150, find a pivotal quantity for the parameter theta based on the sufficient statistic.

  Ninety percent confidence interval for population proportion

Develop a 99% confidence interval for the population proportion.

  Score on the standardized test

A researcher believes that if she uses a different text the students will score differently on the standardized test but she doesn't know what the difference is. The test had a mean of 110 and a σ of 12.

  Means and probability-queuing theory

In the Willow Brook National Bank waiting line system (see Problem 1), assume that the service times for the drive-up teller follow an exponential probability distribution with a service rate of 36 customers per hour or 0.6 customer per minute.

  Bayes theorem-question

A test indicates the presence of a particular disease 90% of the time when the disease is present and the presence of the disease 2% of the time when the disease is not present.

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