5,341 Answered Questions for the topic probability

Probability Math English Statistics

02/18/22

Andy is a restaurant owner: He believes 72% of his customers are…
Andy is a restaurant owner: He believes 72% of his customers are satisfied with the food quality of his restaurant: From a random sample of 82 customers, what are the following probabilities?... more
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Probability Math English Statistics

02/18/22

Suppose 2% of students drink more than 3 cups of coffee each day.
Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 131 students and found that 4 drink more than 3 cups of coffee each... more
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Probability Math English Statistics

02/18/22

Suppose 2% of students drink more than 3 cups of coffee each day.
Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 131 students and found that 4 drink more than 3 cups of coffee each... more
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Probability Math English Statistics

02/18/22

At a particular university, students' grades…
At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of u = 63 and a standard deviation of o = 18.0. (Round to 2... more
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Probability Math English Statistics

02/18/22

The distribution of actual weights of wedges…
The distribution of actual weights of wedges of cheddar cheese produced at a dairy is normal with a mean of 9.1 ounces and a standard deviation of 0.2 ounces. (Round to 2 decimal places for all... more
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Probability Math English Statistics

02/18/22

In a large population of adults, the mean IQ is 123…
In a large population of adults, the mean IQ is 123 with a standard deviation of 17. Suppose 60 adults are randomly selected for a market research campaign. (Round to 2 decimal places for all... more
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Probability Math English Statistics

02/18/22

The number of undergraduates at Small University…
The number of undergraduates at Small University is approximately 2200, while the number at Large University is approximately 57200. At both schools, a simple random sample of about 2% of the... more
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Probability Statistics

02/17/22

Statistics and Probability
The Highway Loss Data Institute’s Injury and Collision Loss Experience Report rates car models on the basis of the number of insurance claims filed after accidents. Index ratings near 100 are... more
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Probability Math Statistics

02/17/22

MATH/ STATISTICS AND PROBABILITY
The mathematics Club of College of Arts and Sciences of University XYZ will sponsor an intercollegiate quiz bee. Each contestant will answer 50 questions: 20 in mathematics, 10 in current events,... more
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Probability Math Statistics

02/15/22

Recent MLS listings of houses for sale in Edmonton…
Recent MLS listings of houses for sale in Edmonton show that 40% have attached garages, 25% have detached garages, and 18% have a home theatre. Additionally, 50% of houses with a home theatre have... more
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Probability

02/14/22

Probability question on a deck of cards
A person removes two aces, a king, three queens, and one jack from a deck of 52 playing cards, and draws, without replacement, two more cards from the deck. Find the probability that the person... more
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Probability Statistics

02/13/22

Finding the probability of something from the population
Based on a health care researcher of a hospital, the height of female individuals aged 25-35 is normally distributed with a mean of 161 cm and a standard deviation of 9 cm. Please: Determine with... more
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Probability Math Statistics

02/11/22

7. Find the indicated probability. Round to three decimal places.
The participants in a television quiz show are picked from a large pool ofapplicants with approximately equal numbers of men and women. Amongthe last 11 participants there have been only 2 women.... more
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Probability Statistics

02/09/22

Stat 1880 worksheet problems
Question 1. If 𝑋 represents the number of heads obtained in three tosses of a fair coin, (Create the table for both parts)(a) Find the probability distribution of 𝑋.(b) Find the expected value and... more
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Probability Statistics

02/09/22

Help me with probability

1. Use the following information to answer the next four exercises. Recently, a nurse commented that when a patient calls the medical advice line claiming to have the flu, the chance that he or she... more
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02/08/22

DISCRETE MATHS HELP NEEDED !!
On the menu of a Chinese restaurant, there are 7 chicken dishes, 5 beef dishes, 4 seafood dishes, and 10 vegetable dishes.In how many ways can they order if at most one dish of each kind is chosen?
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02/08/22

HELP NEEDED !!! DISCRETE MATHS
In the game of poker, a player receives a subset of 5 cards, called a poker hand, from the standard deck of 52 cards. The order in which the cards are received is not important, just the actual... more
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Probability Mathematics

02/06/22

probability of rolling 6 dice
what is the probability of rolling 6 dice at once, where you'll get exactly 2 of the same pair out of 6 dice? Each die is a 6 sided die. numbering 1-6.
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Probability Statistics

02/06/22

probability and statistics
1.     Read the given data ‘TIPS.csv’ as a dataframe named Tips and answer the following question.a) In the tips dataframe, for the variable “total bill” what is the 3rd quartile and... more
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Probability Math

02/06/22

Two coins are tossed 600 times and we get two heads : 138 times, one head : 192 times ; no head : 270times. When two coins are tossed at random, what is the probability of getting : 1 head?
I am getting 6/75 or 0.08is it correct?Total outcomes = 4 x 600 = 24001 head= 192so, 192/2400
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Probability Statistics

02/06/22

probability and statistics
1.     There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there of the word ENDURINGLY? 2.     There are 13 men and 12 women in a ballroom... more
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02/06/22

Equation help please
What is the equation here? 1 person is playing a game guessing a number and has odds of 1/256 so they get the right answer every 4minutes. What if 10 people are playing the same game independently?... more
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Probability

02/04/22

Probability question
There is a 12% probability of a flood in Selangor this year. If a major earthquake does occur, the probability of a flood re-occuring the following year drops to 8%.However, if there is no flood... more
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Probability

02/03/22

what is the probability that, in a random sample of 6 visitors to the website, exactly 2 arrive in error?
A certain company's IT department has found that 17% of all visitors to the company website arrive there in error. (They are actually looking for another website.) If this percentage is correct,... more
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Probability Statistics

02/03/22

An unfair die is tossed. Determine which of the following assignments could be made for the probabilities of each simple outcome. If an assignment cannot be made, tell why.
Question 1 part 1An unfair die is tossed. Determine which of the following assignments could be made for the probabilities of each simple outcome. If an assignment cannot be made, tell why.(a) 𝑃(1)... more
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