You might need: Calculator The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 10.4 years; the standard deviation is 1.9 years. Use the empirical rule (68 - 95 - 99.7%) to estimate the probability of a meerkat living between 12.3 and 14.2 years. % Show Calculator Report a problem

Q: Exhibit 8-12 In order to estimate the average time spent on an exam at a local university, data were…

A: Margin of error explain the error in the data set. It determine by the combined value of standard…

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: (a)   Obtain the probability that pregnancy will last 307 days or longer. The probability that…

Q: A particular fruit's weights are normally distributed, with a mean of 209 grams and a standard…

A: Population mean, μ = 209 gramsPopulation standard deviation, σ = 18 gramsLet, X, be the particular…

Q: The monthly utility bills in a city are normally distributed with a mean of $121 and a standard…

A: Given : The monthly utility bills in a city are normally distributed with a mean of $121 and a…

Q: You may need to use the appropriate appendix table or technology to answer this question. A…

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Q: Harrisburg International Airport records daily weather data. Upon analyzing the average high…

A: GivenMean(μ)=41.1standard deviation(σ)=5.0

Q: Given the mean is 120 minutes and the standard deviation is 30 minutes. What is the probability that…

A: The mean is 120 minutes and standard deviation is 30 minutes.

Q: Freshman 15 The term "Freshman 15" refers to the claim that college students typically gain 15 lb…

A: The objective of this question is to find the probability that a randomly selected male college…

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: The average age of vehicles registered in the United States is 96 months. Assume the population is…

A: Given that: X is normally Distributed with mean µ = 96.0 and standard deviation σ = 15.0 By using…

Q: A fair coin is flipped seventy times and the number of heads that occur is noted. A random variable…

A: Given Data; X is the number of heads   p=0.5 n=70   X~ Binomial (70, 0.5)

Q: A laptop company claims up to 9.1 hours of wireless web usage for its newest laptop battery life.…

A: Given:x = 9.1 hoursμ = 8.5 hoursσ = 39 minutes = 0.65 hours

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: A certain video game has 72% chance of sucess. During summer vacation a person plays 12 games a day.…

A: In question, Given that A certain video game has 72% chance of sucess. During summer vacation a…

Q: IQ scores for students at a prestigious university are normally distributed with a mean of 110 and a…

A:

Q: The monthly utility bills in a city are normally distributed with a mean of $100 and a standard…

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Q: A voin is tossed four times. Let x denote the number of heads. Find the mean and standard deviation…

A: A coin is tossed four times. The  denotes the number of heads.

Q: population has a mean of 91 and a standard deviation of 10. A sample of 25 observations will be…

A: μ = 91σ = 10n = 25P(87.56<x¯<96.3) = ?

Q: The length of a caterpillar is normally distributed with a mean of 17 feet. The standard deviation…

A: Let, X=The length of a caterpillar Given that X follows a normal distribution with mean=17 and…

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 0.07We have to find…

Q: Trucks in a delivery fleet travel a mean of 8080 miles per day with a standard deviation of 3030…

A:

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: The average amount customer spend yearly at a local grocery store is $635.55 .  Assume the variable…

A: Mean(µ) = $635.55Standard deviations (σ) = $94.41X ~ N (µ, σ )= N(635.55,94.41)

Q: The average number of minutes per week that teenagers spend texting is 250.0. Assume the standard…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: A particular fruit's weights are normally distributed, with a mean of 424 grams and a standard…

A: Given that, Mean = 424 Standard deviation = 26 Sample size = 12

Q: The average height of flowering cherry trees in a nursery is 11 feet. If the heights are normally…

A: From the provided information, Mean (µ) = 11 Standard deviation (σ) = 1.6 X~N (11, 1.6) Here X be a…

Q: The height of Christmas trees are normally distributed. The standard deviation of Christmas trees is…

A: Given Information: The height of Christmas trees are normally distribution with mean μ=1400 inches…