What is the probability that a random variable will have values of three or less?
Q: skittle on the second
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Q: In a dental study on children it was found that the probability of the child population having any…
A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3
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Q: What is the probability of getting at least two heads when three coins are tossed
A: Given that, Three coins are tossed.
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A: Given that a machine averages one faulty unit every 600 it produces. so the average number of the…
Q: what is the probability that at least 1 defective card is in the sample?
A: Let , X has hypergeometric distribution with parameter N=120 , M=15 and n=15 The probability mass…
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 probability of randomly selecting a cat?
A: here given Table Cat Dog Total student 11 29 40 professor 20 17 37 31 46 77 use…
Q: What is a random variable?
A: A random variable is a variable whose possible values are numerical outcomes of a random phenomenon.…
Q: Illustrate a probability distribution of a random variable X showing the number of face mask sold…
A: Below is the example to illustrate the question .
Q: What is the probability that a random sample size 7 out of 15 identified people will have an average…
A: Given that, 7 out of 15 identified people will have an average of 6 to 8 hours of sleep in a day
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Q: Explain the two different types of random variables?
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Q: What is the probability that the random variable will assume a value between 45 and 55 (to 4…
A: Given: The population mean is μ=50. The population standard deviation is σ=5.
Q: If a load can be modeled as a uniform random variable ranging from 70 to 226, what is the…
A: Given that, A load can be modeled as a uniform random variable ranging from 70 and 226.
Q: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…
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Q: Explain why a random phenomenon with two possible outcomes does not necessarily have 0.5 as the…
A: Probability is the measure of likelihood that an event will occur in a random expriment. Probability…
Q: What is the probability of no failures in a given day? b. What is the probability of one or more…
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Q: A survey by the American Automobile Association (AAA) revealed 60 percent of its members made…
A: Let p be the probability that a person had made airline reservation last year. Then, p=0.6.
Q: A box contains 5 green balls and 4 red balls. The probability of selecting 2 green balls and 1 red…
A: Given: box contains 5 green and 4 red balls 3 balls are drawn without replacement then the…
Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…
A: It is an importance stance in probability distribution . Binomial distribution is a discrete…
Q: Define the Mean and Variance of Sums of Random Variables?
A: The mean of a random variable X is a weighted average of the possible values that the random…
Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…
A: Given Information No of headache sufferers (n) = 400 Proportion of Headache sufferers who get relief…
Q: 1. What is the probability that this random variable takes the value 3? 2. What is the probability…
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Q: What is the probability of rolling the dice twice with order and non-repeat
A: Given : If we roll a dice twice then sample space is given by, S = { (1,1) ,(1,2), (1,3), (1,4),…
Q: If a particular shipment of thousands of aspirin tablets actually has a 6% rate of defects, what…
A: Given datap=0.06n = 21Applying Binomial theoremProbability of x success out of n trial is given by
Q: If one normal stapler selected randomly from the factories, find the probability when it comes from…
A: here define events and draw probability tree stapler produce by china Factory = C stapler produced…
Q: Suppose that a high school student is preparing to take the SAT exam. Explain why his or her…
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Q: A survey was conducted to determine the proportion of Grade 11 students who engage in under-age…
A: We have given that p = 0.70 n = 100 We have to calculate P(x> 0.65)
Q: Find out the probability of getting a total of either 7 or 11 in a single roll of two dice?
A: Ans#- Given, Roll a dice twice then sample space S =…
Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…
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Q: The probabilities that a printer produces 0,1,2, and 3 misprints are 42%, 28%, 18%, and 12%…
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Q: What is the probability of throwing a three with a single die 4 times out of 5 trials?
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Q: What is the probability of rolling a sum of 7 or 11 with two fair dice? Show all work.
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Q: What is the probability of getting white?
A: Given: The square box containing 12 small squares. Number of white squares =7 Number of yellow…
Q: A colony of laboratory rats contain 16 white rats and 9 spotted rats.What is the probability of…
A: Introduction:Probability of an event is the number of outcomes favorable to the event, divided by…
Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…
A: The mean and the standard deviation of the sampling distribution of the sample proportion is,
Q: What is the probability that a randomly selected participant tasted apples and preferred…
A: Followings are the Explanation of the question 1) Probability is ratio of Number of favorable cases…
Q: What is the probability of selecting an applicant who has a score of at least 166?
A: Let X denote the GRE quantitative scores. Given that X follows N(mean = medain = 158, SD = 3), then…
Q: A nylon connector manufacturing plant yields 14 % defective items. If 1000 connectors are randomly…
A: It is given that p = 0.14 and n =1,000.
Q: An unbiased fair coin was tossed 15 times. What is the probability of getting exactly 8 heads?
A: We have given the following statement coin tossed 15 times. We have to find probability of getting…
Q: What is the probability of a random student being chosen who is a female and is not between the ages…
A: Given, PM=0.60 PAge 18 and 20=0.35 PM and Age 18 and 20=0.26…
Q: It is known the 60% of toddlers have too much screen time. A randome sample of 8 toddlers were…
A: Here, too much screen time follows binomial distribution with n = 8 and p = 0.60.
Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…
A:
Q: What is the probability of randomly selecting a female respondent from the sample?
A: Given contingency table is: Probability = number of favorable events/ Total number of events in…
Q: 65% of Americans drink one coffee a day. With a random sample of 45 Americans, what is the…
A: Solution: Given information: n= 45 Sample of Americans p= 0.65 Population proportion of Americans…
Q: What is the probability that there would be no cracks in a particular 3-km section of the…
A: Let, X be the number of cracks in a 105-km expressway. Here , X has Poisson distribution with mean…
Q: A red and a white dices played once in an experiment; what is the probability of finding at least…
A: We have to find given probability.
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