Suppose the average price of gasoline for a city in the United States follows a continuous uniform distribution with a lower bound of $4.30 per gallon and an upper bound of $4.50 per gallon. What is the probability a randomly chosen gas station charges more than $4.35 per gallon?       Multiple Choice   1.0000   0.2000   0.7500   0.8834

Q: #of Occupants 1 2 3 0.70 0.15 0.10 0.03 0.02 What is the mean number of occupants in a vehicle? 45…

A: given data, here data table and their probabilities are given we have to find out the mean for the…

Q: A writer averages 0.5 errors per page. The number of errors follow a Poisson distribution. Find the…

A: A writer averages 0.5 errors per page.The number of errors following a Poisson distribution.Let X be…

Q: The monthly incomes of an organization follows a normal probability distribution with a mean of…

A: From the provided information, Mean (µ) = $5,000 Standard deviation (σ) = $100 Let X be a random…

Q: . What is the probability that a person spends less than 37.0 minutes shopping for groceries?   b.…

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Q: The mean annual cost to attend a attend a college is $44,324. Assume the distribution of annual…

A:

Q: What is the standard deviation of the he final exam grade distribution for all students in the…

A: Given grade (x) probability (p)  x*p x2  x2 *p 0 0.03 0 0 0 1 0.08 0.08 1 0.08 2 0.17 0.34…

Q: Find the mean and variance for the binomial distribution, P=0.56 and n= 8

A: Number of trials n=8 Success of probability p=0.56 X~binomial (n,p)

Q: The population mean annual salary for an electrician is $46,700.A random sample of 42 electricians…

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Q: The average amount of students who ride the bus each year and Wilton Iowa is 60 students. The…

A: Given,   Mean = 60 Standard deviation = 5   The objective is to find the required probabilities.

Q: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

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Q: The average amount of hours Americans sleep a night is a type of which statistic? a.Inferential…

A: We know that the Average value or Arithmetic mean is a type of central tendency of data that comes…

Q: The final exam grade distribution for all students in the introductory statistics class at a local…

A: The formula to find the mean of the distribution is, EX=∑X·Px

Q: Four normal distributions are shown below. A 1. Which distribution is skewed? A B C D Neither one 2.…

A: 1. Neither one2. A3. B, C, D4. B5. DExplanation:#1Normal distribution is a continuous probability…

Q: We have provided a normal probability plot of data from a sample of a population. In each case,…

A: Requirement for normal distribution: If the plot is roughly linear, then the variable is…

Q: B. Standard Deviation = 2.8532 The cost of parking is 3.25 dollars per hour. Calculate the mean and…

A: It is given that the probability distribution in tabulated form.

Q: Suppose the weight of dogs is normally distributed with a mean of 35 pounds and a standard deviation…

A: Given,   Mean = 35 Standard deviation = 5   The objective is to find the probability a dog weighs…

Q: None

A: To solve these problems, we'll use the properties of the exponential distribution. The probability…

Q: Find the mean and variance for the Binomial distribution, P=0.36 and n = 33

A: Answer: From the given data, P = 0.36  and  n = 33

Q: Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are…

A: Given information- Population mean, µ = $12,837 per year Population standard deviation, σ = $1500…

Q: An operations manager is studying the failure of equipment in a manufacturing facility. He knows…

A: Given, An operation manager is studying the failure of equipment in a manufacturing facility. He…

Q: Find the mean and variance for the binomial distribution,  P=0.45 and n=12

A: Answer:- Given, Sample size, n = 12 Probability of success on a trial, p = 0.45 Using formulas,…

Q: Normal distribution. Assume the height of female 20-29 year-old is normally  distributed with a mean…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Suppose that the average price for a gallon of gasoline in the United States is $3.77  and in Russia…

A: Let X be the for United States Y for Russia

Q: Calculate the variance and standard deviation of this probability distribution. Number of Bedrooms…

A: No of Bedrooms        Probability      x‐px       x2-px         3                       0.25…

Q: The number of homes sold by a realtor during a month has the following probability distribution:…

A: The expected value (mean) of a probability distribution is calculated by multiplying each possible…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: Suppose the round-trip airfare between Boston and Orlando follows the normal probability…

A: Step 1: Given informationMean = $387.20Standard deviation = $68.50The distribution used is normal…

Q: The owner of a convenience store has determined that their daily revenue has mean $7,200 and…

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Q: On average, TV crash after 17,000 hours of continuous use. Although the time for the TV to crash is…

A: Given problem Given that   On average, TV crash after 17,000 hours of continuous use. Although the…

Q: II. NORMAL PROBABILITY DISTRIBUTION a. The selling prices of home in a certain community is such…

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Q: The Normal model N(150,10) describes the distribution of scores on the LSAT, a standardized test…

A: Solution : Given : X : Scores on the LSAT and X ~ N(150,10) i.e. μ = 150      σ2 = 10 a. Type of…

Q: A surgery has a success rate of 90%. Suppose that the surgery is performed on three patients. Graph…

A: p=probability=0.9, n=3 =sample size

Q: Find the probability that the average amount paid by the sample of households exceeds $50.

A: Given that  X~N(μ= 48 , σ= 20) μ= 48  , σ= 20

Q: The number of days ahead of their trip that travelers purchase their airline tickets can be modeled…

A: