5,341 Answered Questions for the topic probability

Probability Math

05/17/24

Approximation probability math
Every mushroom is edible with the probability of 0.95, independent of other picked mushrooms.How many mushrooms would have had to be picked so that the probability that at least 300 would be edible... more
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Probability

05/16/24

A number cube is rolled and a coin is tossed. The number cube and the coin are fair. What is the probability that the number rolled is 1-4 and the coin toss is tails
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Probability Math Statistics

05/16/24

Probability of a pair of dice
Consider rolling a pair of fair dice a single time. For a given roll, consider the value shown on each of the dice. For each of the following pairs of events, tell whether they are disjoint,... more
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Probability

05/15/24

Basketball team A won 5 out of 7 games at home and 2 out of 7 games away against team B. In the playoffs, team A won 2 games at home and 1 away. Estimate the probability of this happening?
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Probability Math

05/12/24

Probability math
Every mushroom is edible with the probabiloity 0.95, independent of other picked mushrooms.What would be the the probability that 300 mushrooms picked under a month are edible amongst 320 picked?... more
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Probability Math

05/11/24

Probability math
A chemist makes repeated measurements of the pH value in two lakes, A and B. The measurements are affected by random error that is normally distributed. The results are given by the following... more
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Probability Math

05/11/24

Probability math
There are two kinds of potato, A and B. The question is if the reason if one gets eaten by worm is because the worms prefer one of the kinds. From 200 samples of potatoes from each kind 12 of A and... more
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Probability Math

05/10/24

Probability math
Every mushroom is edible with the probabiloity 0.95, independent of other picked mushrooms.What would be the the probability that 300 are edible amongst 320 picked? And how many mushrooms would... more
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Probability Math

05/07/24

If you randomly choose your ride twice, what's the probability that you'll use a cab exactly one time?
In the morning, you have 3 transportation options (take a bus, a cab, or a train) to work, and in the evening she has the same choices.
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Probability

05/02/24

If you randomly select five digits between 0 and 9 with repetition allowed what is the probabilty you will get the authors zip code
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Probability

04/24/24

p(odd or less than 26)
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Probability

04/23/24

Find the probability that the student got 'an 'A'' GIVEN they are in 9th Grade.
  A B C Total 9th Grade 6 8 16 30 10th Grade 9 11 13 33 Total 15 19 29 63 If one student is chosen at random from those who took the test, find the probability that the student got 'an... more
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Probability

04/19/24

Find the probability that the car needs work on either the engine, the transmission, or both.
Let E be the event that a new car requires engine work under warranty and let T be the event that the car requires transmission work under warranty. Suppose that P(E) = 0.10, P(T) = 0.02, and P(E... more
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Probability Math

04/11/24

If a person is randomly chosen from the towns population, what is the probability that the person is under 18 or employed part-time?
Use the data in the table below, which shoes the employment status of individuals in a particular town by age group. Age Full-time Part-time Unemployed 0-17 ... more
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Probability Math

04/11/24

What is the probability that a sum of 5 on the 2 dice will occur at least once?

Use the formula for the probability of the complement of an event.A pair of dice is rolled 3 times. What is the probability that a sum of 5 on the 2 dice will occur at least once? (Round your... more
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Probability Math

04/11/24

what is the probability that at least 1 of the 11 buyers will get a defective e-reader?
An electronics store receives a shipment of 26 e-readers. Unbeknownst to the store, 5 of the e-readers are defective. If the store sells 11 of these e-readers the first day, what is the probability... more
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Probability Math

04/10/24

what is the company's expectation?

The probability that an 80-year-old male in the U.S. will die within one year is approximately 0.069941. If an insurance company sells a one-year, $12,000 life insurance policy to such a person... more
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Probability Math

04/10/24

Determine the probability that the first candy drawn is brown, the second is orange, and the third is yellow.

A snack-size bag of M&Ms candies is opened. Inside, there are 12 red candies, 7 blue, 7 green, 17 brown, 4 orange, and 10 yellow. Three candies are pulled from the bag in succession, without... more
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Probability Math

04/10/24

what is the probability of drawing 2 cards in succession
What is the probability of drawing 2 cards in succession (without replacement) from a standard deck and having them both be face cards? Round to the nearest thousandth.
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Probability Math

04/10/24

What is the probability that a sum of 5 on the 2 dice will occur at least once?

Use the formula for the probability of the complement of an event.A pair of dice is rolled 3 times. What is the probability that a sum of 5 on the 2 dice will occur at least once? (Round your... more
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Probability Math

04/10/24

Determine the probability of the following
Two dice are rolled. Determine the probability of the following. ("Doubles" means both dice show the same number. Enter your probability as a fraction.) rolling a number greater than 5 or... more
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Probability Math

04/10/24

what is the probability that at least 1 of the 11 buyers will get a defective e-reader?
An electronics store receives a shipment of 26 e-readers. Unbeknownst to the store, 5 of the e-readers are defective. If the store sells 11 of these e-readers the first day, what is the probability... more
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Probability

04/09/24

probability statistics
In a country, it is known that about 14% of senior citizens (65 years old or older)get flu each year. However, about 24% of the people under 65 years old get flueach year. In the general... more
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Probability Math Statistics

04/07/24

Probability & Statistics Finding the Confidence Interval
You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 69 74.8 68.5 59.4 92.7 82.2 74.7 56.7 71.8 73.3 69.6 Find the 99% confidence interval. Enter... more
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Probability Math

04/05/24

A restaurant employs 16 waiters and waitresses. In how many ways can a group of 9 waiters and waitresses be chosen for the lunch shift?
A restaurant employs 16 waiters and waitresses. In how many ways can a group of 9 waiters and waitresses be chosen for the lunch shift? ? ways (The answer is NOT 320320, 43680, or 665280)
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