5,341 Answered Questions for the topic probability

Probability Statistics

03/17/23

Please help me solve this
For a standard normal distribution, find:P(z > -1.98)Express the probability as a decimal rounded to 4 decimal places.
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Probability Statistics

03/17/23

Helpppppp plsssss
For a standard normal distribution, find:P(-2.07 < z < -1.06)
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Probability Statistics

03/17/23

Please help me solve this
For a standard normal distribution, find:P(z > c) = 0.0135Find c rounded to two decimal places.
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Probability Math Business Statistics

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan (Textbook Question)
problem 13.61) In Problem 13.9 on page 494, an agent for a real estate company wanted to predict the monthly rent for one-bedroom apartments, based on the size of an apartment. The data are stored... more
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Probability Math Business Statistics

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question
problem 13.47). In Problem 13.9 on page 494, an agent for a real estate company wanted to predict the monthly rent for one-bedroom apartments, based on the size of the apartment. The data are... more
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Probability Math Business Statistics

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question
problem 13.9) An agent for a residential real estate company in a suburb located outside of Washington, DC, has the business objective of developing more accurate estimates of the monthly rental... more
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Probability Statistics

03/16/23

a) Given this information, what is the overall probability of you making a putt between 10-29 feet? (b) Given that a putt between 10-29 feet was made, use Bayes'

Suppose that when playing disc golf, you find that of the putts you throw between 10 and 29 feet, 50% are 10-14 feet, 25% are 15-19 feet, 15% are 20-24 feet, and 10% are between 25-29 feet. You... more
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Probability Statistics

03/16/23

What is the probability that you encounter at least one luma during the 300 encounters while using a radar?
In the game Temtem there is a very small (1 out of 7500) chance that you will encounter a "luma" version of a creature. With a special radar item, you can increase these chances by encountering... more
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Probability Statistics

03/16/23

Suppose a committee is to be formed with 5 engineers and 3 consultants selected randomly from a group of 8 engineers and 3 consultants.
Suppose a committee is to be formed with 5 engineers and 3 consultants selected randomly from a group of 8 engineers and 3 consultants. (a) What is the probability that engineer Elizabeth and... more
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Probability Statistics

03/16/23

In the card game Magic: the Gathering, spells are cast using mana produced by "land" cards. Suppose your deck has 60 cards, 24 of which are lands.
In the card game Magic: the Gathering, spells are cast using mana produced by "land" cards. Suppose your deck has 60 cards, 24 of which are lands.(a) What is the probability that your opening hand... more
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Probability Statistics

03/16/23

What is the probability, as a fraction, of winning the jackpot?
In the Mega Millions lottery game, you choose 5 different numbers between 1 and 70, and one additional number between 1 and 25. If you get all 6 numbers correct, you win the jackpot.
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Probability Statistics

03/15/23

I dont get it pls help
For a standard normal distribution, find:P(z > c) = 0.3434Find c rounded to two decimal places.
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Probability Statistics

03/15/23

Please help me with this

For a standard normal distribution, find:P(z < c) = 0.4677Find c rounded to two decimal places.
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Probability Statistics

03/15/23

HELPPPPPPPP PLS
For a standard normal distribution, find:P(-2.89 < z < -2.7)
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Probability Statistics

03/15/23

please help me out
For a standard normal distribution, find:P(z > -2.06)Express the probability as a decimal rounded to 4 decimal places.
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Probability Statistics

03/15/23

help me with my questions please
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 50 ounces and a standard deviation of 9 ounces.Use the Standard Deviation... more
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Probability Statistics

03/15/23

Help me answer my question
The maintenance department at the main campus of a large state university receives daily requests to replace fluorecent lightbulbs. The distribution of the number of daily requests is bell-shaped... more
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Probability Statistics

03/15/23

helppppppppppppp
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a... more
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Probability Statistics

03/15/23

Please help me with these questions. I dont understand
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 43 ounces and a standard deviation of 11 ounces.Use the Empirical... more
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Probability Statistics

03/15/23

HELPPPPPP ME PLEASE
In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 43 and a standard deviation of 9. Using the... more
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Probability Math

03/12/23

Find the most optimal strategy to increase your money
There is a race consisting of 10 individual races in a row. You are able to bet on the racecars for a chance to multiply your money. The potential payout and chances of winning per racer are listed... more
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Probability Statistics

03/12/23

Reproduce the figure for each of the following events, then shade the region that corresponds the event.
(a) A(b) (A n B) u (A n B’)(c) (A n B) U C(d) B-A
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Probability Statistics

03/12/23

Assume our "universal set" is the set of all letters in the alphabet, and consider the following sets:
M = {x | x is a letter in "mathematics"} P= {xx is a letter in "probability"},S = {x | x is a letter in "statistics"). Write each of the following (in roster notation. Keep in mind that when... more
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Probability Statistics

03/12/23

Suppose someone wants to know about college student performance on the final exam for MA235. They are given the exam scores for students in my MA235 classes from last quarter.

(a) In this situation, what are each of the following?1.) population 2.) units3.) sample4.) characteristics (b) Would the average exam score of the students from my classes last quarter be... more
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Probability Statistics

03/12/23

Suppose an artists has 9 works of art ready to display, but may only display 4 at a time on a gallery wall.
(a) How many different ways can they arrange 4 paintings side-by-side on the wall? (b) How many different groups of 4 paintings could they choose to display?
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