The Nashville housing market has been hot for the past 7 years. Realtors face intense competition for new house listings and the busiest realtors spend, on average, $1,100 per month on billboard advertising with a standard deviation of $100. Given this, what is the probability that a randomely chosen busy realtor spent between $920 and $1,280 last month on billboard advertising? A. 0.072 B. 0.036 C. 0.964 D. 0.928

Q: The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: You randomly select 25 teachers. What is the probability that their mean salary is more than $70000,…

A: Given thatRandomly select 25 teachersPopulation mean salary is 56000Standard deviation 15000To…

Q: A research firm conducted a survey to determine the average amount of money consistent smokers spend…

A: We have given that,  Let X be a random variable from normal distribution with mean(μ) = 20 and…

Q: In 2014, the per capita consumption of soft drinks in the United States was reported to be 42.1…

A: Hey, since there are multiple subparts posted, we will answer the first three subparts. If you want…

Q: Not everyone pays the same price for the same model of car. The mean is $22,000 and the standard…

A: Let us denote X= price of a carGiven that X follows a normal distribution with mean=22000 and…

Q: . A cannery processes sardines.  Sardines have a mean length 4.54 inches with a standard deviation…

A: Solution: Let X be the length of sardines. From the given information, X has a mean µ=4.54 inches…

Q: Apartment cost. The average cost of an apartment in the Cedar Lakes development is $62,000 USD with…

A: Average cost of an apartment μ(μ) in Cedar Lakes: $62,000 USDStandard deviation σ(σ) of apartment…

Q: If the mean height of a population of students is 68 inches with standard deviation 3 inches, what…

A: Given that      The mean height of a population of students is 68 inches with standard deviation 3…

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: We have given that  Mean(µ) = 7200Standard deviations (σ) = 1200 Number of days (n) = 30

Q: The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation…

A: Note: Hey there! Thank you for the question. Although the mean and standard deviation of the…

Q: Mathematics majors generally have one of the highest starting salaries. Suppose the average starting…

A: For Normal distribution z score = (x-μ)/σx

Q: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

Q: average salary for a large company is $85,000 with a

A: Population Mean, μ = $85,000Population Standard Deviation, σ = $20,000Sample size, n = 100x1 =…

Q: The probabilities that are 1, 2, 3, 4, or 5 defective television sets of a certain manufacturer are…

A: Measured of dispersion measures the spread of the data. Standard deviation is a measure of…

Q: The average amount of snow per year in Whiteville is 32 inches. The standard deviation is 4 inches.…

A:

Q: Full time Ph.D. students receive an average of $13,537 per year. If the average salaries are…

A: Introduction: Define X as the random variable of interest here, which denotes the salary of the…

Q: Refer to Table 3.10.What is the joint probability of “middle income” and “occasional”?

A: Given: Probability of Middle income, P(A)=0.4 Probability of occasional, P(B)=0.4 Then, P(AB)=0.2…

Q: A major application of analytics in marketing is determining customer retention. Suppose that the…

A: Given The customer leaving for another carrier from one month to the next is 0.14

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A:

Q: Please explain how to solve the following:   The Aluminum Association reports that the average…

A: we are suppose to answer three sub parts .

Q: The sales of a salesman average $500 with a standard deviation of $15.2. He gets a $100 commission…

A: The sales of a salesman average $500 with a standard deviation of $15.2. He gets a $100 commission…

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: Mean = 7200 Standard deviation = 1200 Sample size = 30

Q: In company XYZ, the success of an email to land into a spam folder is 4%. If an account received 20…

A: Solution To find the probability we will use Excel  Given data is  n= 20

Q: Consider the data in the table shown which represents the marital status of males and females 18…

A: The question is about probability.Given :

Q: The average price for an acre of land is $20,000 with a standard deviation of $2500.  What is the…

A: From the provided information, Mean (µ) = 20000 Standard deviation (σ) = 2500 X~N (20000, 2500)

Q: The probabilities that a person is receiving a chat message 0, 1, 2, 3, 4, or 5 per day are the…

A: Let X be the random variable having probability distribution is,  X 0 1 2 3 4 5 P(x)  0.08 0.19…

Q: An online retailer operates two independent warehouses (A & B) where it keeps its inventory. Each…

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Q: cars fail emissions inspection. ABSume that thế Pesu an emissions control center, 1375 a. What is…

A: The probability that first inspection failure will be observed at the 6th position.    Probability =…

Q: The average salary for a civil engineering major is $75,000 with a standard deviation of $10,000. A…

A: Given the average salary for a civil engineering major is $75,000 with standard deviation of…

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

A: Given that, Mean = 12837 Standard deviation = 1500