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 Stuck? Review related articles/videos or use a hint. Report a problem Do 4 problems Oo oo Ch

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: Assume that different groups of couples use a particular method of gender selection and each couple…

A: From the given information, n=23 and p=0.5 a) Mean: Mean=n*p           =23*0.5           =11.5 PArt…

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Q: b. Find the probability that a randomly selected acre in the forest has fewer than 28,814 ants. c.…

A: We have to find given probability...and quartile values..

Q: Most graduate schools of business require applicants for admission to take the GMAT exam. Suppose…

A: The random variable is score on the GMAT. It follows standard normal distribution. The population…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The random variable X is making sales. The number of cars per hour is 6. The probability of making a…

Q: A particular fruit's weights are normally distributed, with a mean of 323 grams and a standard…

A: given data, normal distributionμ=323σ=5we have to find out the given probabilties.

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 76 mph and…

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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 Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A: Empirical rule :  According to empirical rule ,  68% of data falls within the first standard…

Q: The heights of Hobbits are normally distributed. In the Shire the mean height is 51 inches and the…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

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: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A: Given:X: Widget weightsMean = μ = 56Standard deviation = σ = 3Empirical rule tells us that within…

Q: The average hardware repair time is 200 minutes and the standard deviation is 50 minutes, while the…

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Q: Please gives step-by-step solution for the below homework question. I need this answer quickly.…

A: From the given information, The target process time for manufacturing one brick is 7 minutes+0.2…

Q: If 90% of the athletes who test positive for steroids in fact use them, and 10% of all athletes use…

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Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: If 70 shafts are sampled at random from the batch, what is the probability that the mean diameter of…

A: Let X be the random variable of the diameter of metal shafts produced in a manufacturing…

Q: The average travel time to work for a person living in Kokoma, Indiana, is 17  minutes.  Suppose the…

A: Solution: Let X be the average travel time to work for a person living in Kokoma  Indiana has normal…

Q: The operation manager at a tire manufacturing company believes that the mean mileage of a tire is…

A: The question is about central limit theorem Given : Popl. mean mileage of a tire ( μ ) = 40097 miles…

Q: Use the magnitudes​ (Richter scale) of the 120120 earthquakes listed in the accompanying data table.…

A: Given that,120 magnitudes of earthquake,We want to find the range, variance and standard…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The question is about discrete probability distribution Given : No. phone call telemarketers makes…

Q: The City UHIver Departmer Math 150 Mid ny 5 questions. If you be evaluated, but on y equal weight.…

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Q: 1. Multiple Choice: Read each item carefully. Choose the letter of the correct answer and write it…

A: Here use Basic of random values and some normal distribution properties

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1936 votes per district…

A: Given : Mean = μ = 1936 Standard deviation = σ = 570 Sample size = n = 40

Q: The piston diameter of a certain hand pump is 0.4 inch. The manager determines that the diameters…

A: Note:- All the given answers are correct. I am also getting the same answer Given data Piston…

Q: A particular fruit's weights are normally distributed, with a mean of 204 grams and a standard…

A: The normal distribution is the most useful theoretical distribution for continuous variables.…

Q: Select the statistic test that best fits each description. Number of heart attacks per blood type…

A: Introduction:A brief introduction to the various tests suggested here is given below:T-test…

Q: A researcher studying frogs is investigating the distance that a certain species of frog can jump.…

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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: height of 80.1 inches and standard deviation of 2.97 inches. Round your answers to four places after…

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

A: Given that ; μ = $ 12837 ? = $ 1500 X = $ 17000 To find P( x < 17000) =  ? ?  P( x > 17000) =…

Q: The sample suggests that the food is safe, but it actually is not safe. type I O type II O not an…

A: Type I error (α) is the probability of rejecting the null hypothesis when it is actually true. Type…

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: In the 1992 presidential election, Alaska's 40 election districts averaged 2118 votes per district…

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Q: high school students across the nation compete in a financial capability challenge each year by…

A: It is given that, the students who score in the top 13 percent are recognized publicly for their…

Q: Response time is an important statistic for measuring the effectiveness of a fire department, and is…

A: Solution: Let X be the response time. From the given information, X follows normal distribution with…

Q: What is the population standard deviation of the data set? {5,6,7,7,9{ GeoGebra Graphing…

A: A standard deviation is a statistic that measures the dispersion of a dataset relative to its mean.…