5,341 Answered Questions for the topic probability

Probability Math

04/30/23

Math Probability Question!!!!!!
Hello! I have a math final coming up, and I have a question on my review I cannot figure out! It is a probability question, and when I worked on it on a previous test, my teacher commented about... more
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Probability Statistics

04/30/23

Expectation with exponential distribution
Suppose I arrive at a cafe with 3 baristas. All 3 baristas are busy but no one is in the queue. So I’ll wait until one of the baristas finish serving their current customer and then give my order... more
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Probability Math Science Algebra 1

04/28/23

Probability word problem
Sonal has a jar that contains 6 blue marbles and 5 violet marbles. She randomly draws one marble and then draws another marble. What is the probability of drawing two violet marbles if the marbles... more
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Probability

04/28/23

probability question
A certain disease has an incidence rate of 0.8%. If the false negative rate is 4% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
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Probability Statistics

04/27/23

If 4 of these CDs are randomly selected for testing, what is the probability that the entire batch will be accepted?
With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is accepted if every item in the sample is okay. The ABC... more
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Probability

04/24/23

How can I obtain affordable tutoring?
How can I obtain an affordable math tutor for psychology 380 (online class)?Im currently in an 8 week course and I can't afford to fail.
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Probability Statistics

04/24/23

6. Suppose you know that the population standard deviation of a characteristic of interest is….
Suppose you know that the population standard deviation of a characteristic of interest is 13.6. What sample size would be required to estimate the population mean with an error that is less than 5... more
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Probability Statistics

04/24/23

Assume that a certain tire manufacturer produces …….
Assume that a certain tire manufacturer produces a new tire. Tests show that the number of miles these tires last before blow-out seems to have a normal distribution with a mean of 60,000 miles and... more
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Probability

04/22/23

Statistics- probability
In studies linking obesity to Non-Insulin Dependent Diabetes (NIDD) it is thought that obesity genes interact with diabetes susceptibility genes. In industrialized countries 30% of the population... more
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Probability

04/20/23

Geometric Probability
A bus is coming at a random time between 12pm and 1pm. If you show up at 12:30pm, how likely are you to catch the bus?
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Probability Statistics

04/20/23

What is the probability that the geyser will erupt in the next hour?
Suppose that the number of minutes between eruptions for a certain geyser can be modeled by the exponential distribution and that the mean time between eruptions is 72 minutes. What is the... more
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Probability

04/19/23

bag has five red and seven blue If two marbles are chosen simultaneously from the bag, what is the probability that they will both be red
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Probability

04/19/23

The numbers 1, 2, 3, 4, and 5 are written on slips of paper and two are drawn at random without replacement. What is the probability that the sum is 5 or less?
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Probability Statistics

04/19/23

Statistic and Probability
Jhude has 6 Algebra books and 4 Statistic books. He only has a space for 5 books on the shelf. If the first 3 slots are to be occupied by Statistics books and the remaining slots by the Algebra... more
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Probability Math

04/18/23

Probability with lollipops
A bag has 3 RED lollipops, 7 BLUE lollipops, and 7 BLACK lollipops. You randomly pull a lollipop from the bag, put it back, and then pull out another one. What is the probability of not getting a... more
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Probability

04/12/23

Motorola Probability
Motorola used the normal distribution to determine the probability of defects and the number of defects expected in a production process. Assume a production process produces items with a mean... more
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Probability

04/12/23

Working Parents Probability
A USA Today/CNN/Gallup survey of 378 working parents found 197 who said they spend too little time with their children because of work commitments.a. What is the point estimate of the proportion of... more
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Probability

04/12/23

NYC Probability
New York City is the most expensive city in the United States for lodging. The mean hotel room rate is $205 per night (USA Today, April 30, 2012). Assume that room rates are normally distributed... more
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Probability

04/12/23

Elements Probability
A simple random sample of 800 elements generates a sample proportion P(line above p)=0.67 .a. Provide the 99% confidence interval for the population proportion (to 4 decimals).   ,  b. Provide... more
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Probability

04/12/23

NFL Probability
The National Football League (NFL) polls fans to develop a rating for each football game. Each game is rated on a scale from 0 (forgettable) to 100 (memorable). The fan ratings for a random sample... more
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Probability

04/12/23

Primary Care Doctors Probability
According to Reader's Digest,  39% of primary care doctors think their patients receive unnecessary medical care. Use z-table.a. Suppose a sample of 380 primary care doctors was taken. Show the... more
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Probability

04/12/23

Message therapy Probability
Studies show that massage therapy has a variety of health benefits and it is not too expensive. A sample of 10 typical one-hour massage therapy sessions showed an average charge of 57 dollars. The... more
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Probability

04/12/23

Rainfall in the state of California
According to the Current Results website, the state of California has a mean annual rainfall of 24 inches, whereas the state of New York has a mean annual rainfall of 47 inches. Assume that the... more
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Probability

04/12/23

probability distribution for damage claims
The probability distribution for damage claims paid by the Newton Automobile Insurance Company on collision insurance follows. Payment... more
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Probability

04/12/23

If a fair die is rolled 5 times, what is the probability, to the nearest thousandth, of getting exactly 0 twos?
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