A Student takes an exam with 10 questions suppose that a student was able to study a little for the exam and his probability to get a correct answer is only 25% find the probability that's a student gets at most one correct answers.

Q: A group of people were asked if some psychics can help solve murder cases. 220 responded "yes", and…

A: Answer:- Given, Number of respondents who said "yes", n(Yes) = 220  Number of respondents who said…

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

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Q: A survey finds customers are charged incorrectly for 1 out of every 10 items. Suppose a customer…

A: Binomial distribution is given by

Q: In a particular area 40% of men and 15% of women are overweight and there are four men and three…

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Q: A history class is comprised of 8 female and 6 male students. If the instructor of the class…

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Q: n the game of chess there are 32 pieces: 2 kings, 2 queens, 4 rooks, 4 bishops, 4 knights, and 16…

A: Game of chess there are 32 pieces: 2 kings, 2 queens, 4 rooks, 4 bishops, 4 knights, and 16 pawns We…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.86, what is…

A: The sum of probabilities of different cases of a scenario is always 1. Here after taking the…

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

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Q: A group of people were asked if some psychics can help solve murder cases. 153 responded "Yes", and…

A: It is given that 153 people responded “Yes” and 452 responded “No”. The total number of people is…

Q: Harry is a soccer player who practices penalty kickc many times each day. Each time Harry takes a…

A: p(goal)=p=0.7q=1-p=0.3n=20x=no. of goalsp(X=x)=nCxpxqn-x      binomial

Q: A student takes a 20 question true false exam and glasses on each question find the probability of…

A: Consider a random variable X which, follows binomial distribution, indicates the lowest passing…

Q: Arthur is an oncologist with 11 patients in their care. The probability that a patient will survive…

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Q: Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if Bob goes…

A: Given, Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if…

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…

A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: At a sports camp, it was found that 80% of students play soccer, 71% of students play baseball, and…

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Q: The probability of flipping a coin and having it land on heads is 1/2.   If a coin is tossed 4…

A: The number of coins flipped is 1. The probability of getting head is

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 40% of people own dogs.Let X be the number of people own dogs following binomial…

Q: Suppose that 60% of all California motorists are insured. Find the probability  that more than 55%…

A: given data  P(insured) = p = 0.60 sample size n = 100 P(p^>0.55) = ?

Q: A group of people were asked if giving children sugar makes them hyper. 621 responded "Yes", and 650…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. Assume you record…

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Q: The probability that a high school student get less than 5 hours of sleep on average is 35.2%. The…

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Q: hat is the probability that at least one of the students got a score? Round to four decimal place.

A: Let , X be the number of students got a score Here , X→B(n=3 , p=0.33) The probability mass function…

Q: suppose that 90% of students take math, 20% of students take chemistry and 15% take both. select a…

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Q: he probability of a person dying quickly given that he or she ate flesh from a Mad Cow is 85%…

A: P(Dying | Mad Cow) = 0.85 P(Mad cow)=0.12

Q: In a certain coffee shop, each customer orders exactly one cup of coffee, and 60% of customers order…

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Q: The probability of a man hitting a target is 4. How many times must he fire so that the probability…

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.