An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.87 that troubles in a residential service can be repaired on the same day. Use the binomial formula to calculate. a. For the first five troubles reported on a given day, what is the probability that: At least 3 troubles

Q: Of all the registered automobiles in Colorado, 10% fail the state emissions test. Nine automobiles…

A: Probability, p =10% Sample size, n = 9

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A: Population mean=120Population standard deviation=8

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A: A) The senior owes at least $1200

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A:

Q: (3) The probability that a truck will be going over the speed limit on I-77 South between Dobson and…

A: ( 3 ) Given that n =5 ,p=0.75

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A: From the provided information, 45% of the newt are born green. Sample size (n) = 127

Q: Suppose a brewery has a filling machine that fills​ 12-ounce bottles of beer. It is known that the…

A: Mean = 12.33 Standard deviation = 0.04

Q: In a Statistics class, the final exam scores were normally distributed with a mean of 63 and a…

A: Mean, μ = 63 and standard deviation,σ = 5

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

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

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A: Given:  Let x be the starting salary of individual from normal distribution with mean u= $40000 and…

Q: In an certain species of newt, offspring are born either green or black. Suppose that 45% of these…

A: The mean of the sampling distribution of the sample proportion. The standard deviation of the…

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A:

Q: According to a Harris Interactive survey conducted for World Vision and released in February 2009,…

A:

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A: The given situation follows binomial distribution. The proportion of people born in United States…

Q: 7. A TV repairer estimates the probabilities for the number of hours required to complete some job…

A: List of formulae : Expected value : E(X) =μ= ∑xP(x) Standard deviation : SD(X) = ∑(x-μ)2P(x)

Q: The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and…

A: given population mean=40000 population sd =5000  probability that a randomly selected tire will have…

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: The average stock price for a company is $30, and the variance is 67.24. Assume that the stock…

A: It is assumed that the stock prices follow normal distribution. The mean stock price is $30 and…

Q: Suppose the movie theatre box office of a new film to be released is predicted to follow a Normal…

A:

Q: Suppose that the daily intake an adult follows a uniform distribution from 40 to 65 micrograms.…

A:

Q: 4. Suppose an actual census showed that 18.4% of the households in California have incomes in excess…

A:

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 =…

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A: Given that   total passenger=44738 driver=13055

Q: mpany chaiges $227 Iul a $30,C ice policy 1or a 30-year the year is 0.9969. Assume that the company…

A:

Q: In an certain species of newt, offspring are born either green or black. Suppose that 60% of these…

A: Given Information: p = 60%  Sample size (n) = 144

Q: Given that the mean weight of schoolchildren's book bags is 17.5 pounds, with a standard variation…

A: We have given that Population mean = 17.5 Standard deviation = 2.2 Sample size n =30

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A: Here sampling distribution of proportion is normal because sample size is too large

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A: Data about number of fatal crash in 2016 has been provided.Probability needs to be calculated for a…

Q: (a) Determine the probability that a randomly selected multiple birth for women 15-54 years old…

A: (a) The probability formula is, Probability=Number of favourable outcomesTotal outcoms There are…

Q: 1. Results of a study conducted to determine the water consumptions in number of cubic meters of…

A:

Q: Which of the following probabilities indicates a relationship that is not statisti­cally…

A: By statistically insignificant, we means that there is less difference between the measure of null…

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: A brewery claims that the mean amount of beer in their bottles is at least 12 ounces. Determine…

A: Given that, a brewery claims that the mean amount of beer in their bottles is at least 12 ounces.

Q: Which of the following techniques can be used to assess probabilities for very rare events? A.…

A: The correct option is Fault trees Reason; By using the fault tree technique, we can assess the…

Q: The probability that a truck will be going over the speed limit on I-77 South between Dobson and…

A:

Q: A popular art museum in Izmir can accept 1,200 visitors a day. If this amount of traffic is…

A: We have given that  We want to use exponential distribution.  Mean = β Where  λ  = 1/β

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A: Mean = 140 Sample standard deviation = 35 Sample size = 49 Using standard normal distribution.

Q: A line waiting for tickets to an event has a normal distribution and the mean time is 23 minutes.…

A: Population mean, μ=23 Population sd, σ=4

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

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A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…