Random guesses are made on a 10 question multiple choice (a, b, c, d) exam. Hint:  Use a binomial distribution to answer the questions What are p and q? What is the probability of exactly 3 correct answers? What is the probability of more than 5 correct answers?

Q: Research poll, 1142 respondents answer the question: about how many times a month do you use an…

A: For finding the sampling distribution of sample standard deviation, parent population should follow…

Q: Use Table 1 in the Appendix, Cumulative Binomial Probabilities, to determine the binomial…

A: 1) From the provided information, The probability of binomial distribution can be obtained as:

Q: A college student is conducting a survey to see if students prefer cats or dogs. They survey 100…

A: A discrete random variable X is said to follow the binomial distribution if its p.m.f is given by:

Q: The SAT is a multiple-choice test for five possible answer options for each question. Assume a high…

A: Solution

Q: 3 4 Percentage 44% 36% 15% 4% 1% a. Find the probability that a fisherman selected at random catches…

A: Given Information: x 0 1 2 3 4 Percentage 44% = 0.44 36% = 0.36 15% = 0.15 4% = 0.04 1% = 0.01…

Q: student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

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Q: A small inn has 4 rooms.  Let X represent the number of rooms that are rented out on any given…

A: Given information- We have given the probability distribution for X.

Q: Time spent serving a customer at a cafe is normally distributed, with ? = 7 minutes and ? = 1.8…

A: Provided information is; Time spent serving a customer at a cafe is normally distributed  mean = 7…

Q: 17. Which of the following is true for the binomial probability distribution? a. each trial has…

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Q: Consider a binomial distribution with 10 trials. Either use SALT, or look at a binomial probability…

A: We have given,  n =10 ,  P is the probability of success . We have to find,  (a) For what value of p…

Q: b. The Scholastic Aptitude Test mathematics test scores across the population of high school seniors…

A: We have given that Mean(µ) = 500Standard deviations (σ) = 100 Since distribution follows normal…

Q: The sampling distribution of the mean calculated from a sample of n measurements is the probability…

A: Sampling distribution : Sampling distribution can also known as a probability distribution of the…

Q: On a multiple-choice exam for which each question has four possible answers, the probability of…

A: According to the provided information, n=48 p=1/4

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Suppose the number of children in a household has a binomial distribution with parameters ?=14 and…

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Q: Given the Joint Probability Distribution: a. What is the value of the constant? b. Are the random…

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Q: fter deducting grants based on need, the average cost to attend USC is μ=$28,000. The population…

A: Given that  The average cost to attend USC is $28,000 Population mean (μ) = $28,000 Population…

Q: A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops…

A: Given n=36 Mean=25 Standard deviation=6

Q: A Moving to another queition will save this response. Question 4 in a binomial distribution where…

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Q: If a binomial distribution applies with a sample size of n= 20, find the values below. a. The…

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Q: In the Ardmore Hotel, 20 percent of the customers pay by American Express credit card. (a) Of the…

A: Given, proportion p = 0.20, n = 10 Let X be the number of the customers who pay by American Express…

Q: The experiment of drawing a card on a deck of 52 playing cards. What is the probability of drawing a…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Assuming the binomial distribution applies with a sample size of n= 12, find the values below. a.…

A: Given n=12 a) The probability that 5 or more success is obtained as follows: here, p=0.25 n=12…

Q: 2. Calculate the variance and standard deviation for the following data set: x: 1.4 1.9 2.4 2.9 3.4…

A: Data for X and n  is given, We have to calculate variance and standard deviation and outliers for…

Q: The number of stork sightings on a route in South Carolina per year follows a Poisson distribution…

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Q: A smart phone company receives a large shipment of memory chip. The acceptance sampling plan is to…

A: If a memory chip is selected randomly, then there can be two possibilities either the chip is…

Q: Among US cities with a population of more than 250,000, the median commute time to work is 24.3…

A: The mean is 38.3 and the standard deviation is 7.5.

Q: Use the Binomial Probability table to answer the following question: A pharmaceutical lab states…

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Q: For a binomial random variable with a mean of 20 and 100 trials, what is the standard deviation? *…

A: Given : For a Binomial r.v with Mean = 20 No. of trials (n) = 100

Q: A binonimal distribution has p = 0.60 and n=40. a. what are the mean and standard deviation for…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Find the​ mean, variance, and standard deviation of the binomial distribution with the given values…

A: The​ mean of the binomial distribution is given by

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Given data, n=90 p=0.3

Q: Read each prompt below to determine which type of Distribution; Binomial, Geometric or Poisson, is…

A: Given information: Percentage of all American births result in twins p=0.02 Random sample of births…

Q: A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops…

A: Given, n=36 laptopsThe population mean μ=25 minutes.Standard deviation σ=6 minutes.The probability…

Q: L An elevator sign says that it can hold 30 people or 4800 lb. Suppose that the weight of a randomly…

A: The number of people is n=30 , the mean for the randomly selected variable is μ=150 lb and the…

Q: An article suggested that yield strength (ksi) for AJ6 grade steet is normalty distributed with - 45…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy. Given data,Mean…

Q: State Farm Insurance studies show that in Colorado, 45% of the auto insurance claims submitted for…

A: Given P=0.45 n=11

Q: 7. Salaries for newly graduated college seniors is normally distributed with a mean of $42,500 per…

A: Mean = 42500 s = 5800   The probability above 36700 is given by P(X>36700) =P(X-uσ>37600-uσ)…

Q: In chemical trials, a certain drug has 0.8 success rate of curing a known disease. If 15 people are…

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Q: a. What is the distribution of X? X - N( b. Find the probability that a randomly selected Private…

A: HERE GIVEN, mean = 26477$ standard deviation = 6561$ here X= the cost for randomly selected college…

Q: Find the​ mean, variance, and standard deviation of the binomial distribution with the given values…

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Q: Among employed women, 25% have never been married. Select 10 employed women at random. A. The…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: When marketing a new product, a company conducts a taste survey. A recent survey of 399 respondents…

A: Binomial Distribution: Let X be a discrete random variable of marketing a new product is said to…

Q: #01.  The average lifetime of smoke detectors that a company manufactures is 5 years, or 60 months,…

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Q: The binomial distribution depends on which of the following? O Mean and probability of success O…

A: Binomial distribution summarizes the number of trials, or observations when each trial has the same…

Q: A survey was conducted to measure the number of hours adults spend sleeping each week. In the…

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Q: nufacturer knows that their items have a normally distributed length, with a mean of 5.8 inches, and…

A: From the given information we find the probability.

Q: The result of a nationwide aptitude test in mathematics are normally distributed sith mean=63 and…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Let X distributed as a Normal random variable with a mean of 15 and a standard deviation of  3. A)…

A: It is given that:

Q: A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops…

A: