What is the probability that the next person surveyed is very prepared?

Q: What is the probability of drawing a black face card from a normal deck of cards

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Q: What is the probability that six or more adults from this sample were between 25 and 34 years​ old?

A: Given that  n = 9 , p = 25% = 0.25 , q = 1 - p = 1 - 0.25 = 0.75 X ~ Binomial (n = 9 , p = 0.25) X =…

Q: Assuming that the population is half male and half female, what is the probability that a random…

A: From the provided information,The population is half male and half female, probability of male (p) =…

Q: What is the probability that fewer than three adults from this sample were between 25 and 34 years​…

A: Given that

Q: what is the probability that a person who could give up her cell phone could also give up

A: Answer is  0.31

Q: A university claims that 70% of its athletes earn a degree.  Suppose that the records of 100…

A: 70% of the athletes earn a degree. 100 athletes are chosen at random. Define the Random Variable, X…

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: What is the sum of the probabilities in any probability distribution?

A: The sum of all probabilities in any probability distribution is always 1.  Generally, probability…

Q: probability of drawing a heart card from a standard deck of playing cards?

A: there are 4 suits of cards, each suit have 13 cards

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: can you calulate the experimental probability for 15, 50, and 100 coin flips

A: The experimental probability is calculated by actually repeating an experiment given number of times…

Q: 7) According to the American Academy of Ophthalmology, there is a 9% chance that someone will have…

A: Geometric Distribution: Let there is a sequence of trials, each having two outcomes, say Success and…

Q: A fair 4-sided die is tossed. What is the probability that any number except 1 or 3 or 4 is tossed?

A: A fair 4-sided die is tossed.

Q: A fair 20 sided die is tossed. What is the probability that the numbers 17 or 5 or 11 or 9 are…

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Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: g a sum that is not a seven nor an 11 with a pair of dice?

A: Given that two dice are rolled,Let 'S' be the sample space S = { (1, 1), (1, 2), (1, 3), (1, 4),…

Q: What is the probability of drawing a diamond or an ace from a standard deck of cards ?

A: We have to find given probability

Q: Suppose eight students in a statistics class of 12 students are sophomores. What is the probability…

A: Total students = 12Sophomores = 8 Not sophomores = 12 - 8 = 4

Q: Assuming that the population is half male and half female, what is the probability that a random…

A: Given :Assuming that the population is half male and half female So , the population proportion of…

Q: Lactose intolerance affects about 20% of non-Hispanic white Americans. If a person is selected from…

A: Solution: 2. From the given information, Lactose intolerance effects about 20% of non-Hispanic white…

Q: Is it unusual because the probability of a women having blood pressure lower than 63 mmhg is what?

A: Given data : Check your blood pressure: In a recent study, the Centers for Disease Control and…

Q: If Digger's test indicates that there is no oil in the field, what is the probability that the field…

A: Question 4: Let A is defined as the field has oil, and B is defined as the digger test will indicate…

Q: Jacks were drawn 2 out of 4 times. Calculate the experimental probability.

A:

Q: What is the probability of getting 6 or more girls in 8 births

A:

Q: It is known that 19% of people ride public transport without paying for it. We talk to 82 people who…

A:

Q: 80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in…

A: Given,         Pspeeding ticket=0.80         Paccident while behind the wheel=0.55

Q: the population is half male and half female, what is the probability that a random group of 11…

A:

Q: f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample…

A: Given that  2 percent of the rifles in an arsenal are defective . P = 2% = 0.02 Sample size (n) =…

Q: Alex Insurance Company historically shows that 10% of their insured received at least one traffic…

A: Let the random variable X be the policyholders will receive at least one traffic ticket this year.…

Q: Is there such thing as negative probability? Or would this be considered a new variable?

A: Negative probability

Q: Suppose that it is known that 45% of eighteen-year-olds in a particular city do not have a driver's…

A: