A particular fruit's weights are normally distributed, with a mean of 632 grams and a standard deviation of 13 grams. If you pick 21 fruit at random, what is the probability that their mean weight will be between 632 grams and 632 grams

Q: Assume that women's heights are normally distrubuted with a mean of 63.6 inches and a standard…

A: From the given information, the mean is 63.6 and the standard deviation is 2.5.

Q: A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 Chevrolet…

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.45…

A:

Q: The weights of a population of barrels are normally distributed with a mean of 45.0 lb and a…

A:

Q: The accountants of a known auditing firm have a mean daily salary of P850 with a standard deviation…

A: X~N(μ= 850 , σ= 82 ) μ= 850 , σ= 82 Formula for Z-score Z=(X-μ)/σ

Q: A quart of Parker's milk contains a mean of 42 grams of butterfat, with a standard deviation of 2.5…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 546…

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 19.11 gallons.…

A: GivenMean(μ)=19.11standard deviation(σ)=5

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a population…

A: Solution: Let X be the blood pressure reading. From the given information, X follows normal…

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 463 grams and a standard…

A: We have given that,  A normal distribution with mean= 463 and standard deviation = 38. Here, From…

Q: The heights of University players are normally distributed with a mean of 160 cm and a standard…

A:

Q: the average age of bank managers is 40 years. assume the variable is normally distributed. if the…

A: The age of manager is normally distributed with mean μ=40 years and standard deviation σ=5 years. To…

Q: Assume that the women's heights are normally distributed with a mean of 63.7 inches and a standard…

A:

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: On average a supermarket sells 500 litres of milk a day with a standard deviation of 50 litres. If…

A: Assume, X be the random variable representing the quantity of milk sold per day (in liters). It is…

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: Suppose the horses in a large stable have a mean weight of 1354 lbs and a standard deviation of 98.…

A:

Q: A population has a standard deviation of 16. If a sample of size 64 is selected from this…

A: Given: Population standard deviation = sigma = 16 n = 64 P( sample mean within 2 units from…

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 361…

A: Let X denote the weights of cows and it follows normal distribution with a mean of μ=361 pounds and…

Q: A manufacturing company measures the weight of boxes before shipping them to the customers. If the…

A: It is given that: The population mean of the weight of boxesμ=200 The population standard deviation…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18.8…

A: The probability that it is less than 18.8 inches long when one item chosen at random is obtained…

Q: In a certain geographical region, the annual rainfall is normally distributed with a mean of 102.2…

A:

Q: The average public elementary school has 468 students with a standard deviation of 87. If a random…

A: Given: Mean=μ=468 Standard deviation=σ=87

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.3 inches…

A: It is given that the mean is 19.3 and the standard deviation is 2.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18.2…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 501…

A:

Q: The average age of accountants is 43 years, with a standard deviation of 5 years. If an accounting…

A: From the given information,   Mean = 43 Standard deviation = 5 Sample size = 30

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.2 inches,…

A: The distribution of length of items is N(µ=9.2 inches, σ=1.6 inches).

Q: goods

A: Let X be the random variable such that  cholesterol content of a certain canned goods. The average…

Q: The average cholesterol content of a certain brand of eggs is 210 milligrams, and the standard…

A: Hey, since the question is not specified correctly. Here we are finding the probability that mean…

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

A:

Q: For a certain type of smart phone the length of time between charges of the battery is normally…

A: Let X denotes the length of time between charges.  It is given that X~ N (50, 15).

Q: The Average height of a certain age group of people is 53 inches. The standard deviation is 4…

A: From the given information,   Mean = 53 Standard deviation = 4

Q: A particular fruits weights are normally distributed, with a mean in 257 grams and a standard…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 407…

A: Let X denote the weights of cows have a normal distribution with a mean of 407 pounds and a standard…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 20 inches,…

A: Determine the Z score for the random variable X equals 23.1., The Z score for the random variable X…

Q: The life of an electronic transistor is normally distributed, with a mean of 500 hours and a…

A:

Q: The average lifetime of smoke detectors that a company manufactures is 5 years, or 60 months, and…

A: From the given information,Sample size 30, mean 60 months and standard deviation 8 months

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 7…

A: Given Solution:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 542…

A: Let X be the weight of cows which follows normal distribution with mean 542 pounds and standard…

Q: A particular fruits weights are normally distributed , with a mean of 528 grams and a standard…

A: From the given information,   Mean = 528 Standard deviation = 11   The objective is to  find the…

Q: The diameter of a brand of tennis balls is approximately normally​ distributed, with a mean of 2.53…

A: Let X be the diameter of a brand of tennis balls which follows normal distribution with mean 2.53…

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A: Given that, Mean = 2.5 Standard deviation = 0.5 Sample size = 50

Q: The photoresist thickness of wafers in semiconductor manufacturing has a mean of 10.6 micrometers…

A: Let, X=The photoresist thickness of wafers.  Given that X follows a normal distribution with…

Q: A book publisher claims that its mean book length is 250 pages with a standard deviation of 70…

A:

Q: According to a certain website, the average daily time spent on social networking by internet users…

A: The random variable daily time spent on social networking follows normal distribution. The…

Q: At a large manufacturing company the mean age of workers is 37 years, and the standard deviation is…

A: When the given sample size is more, that means 30 are more than 30, then we use a large sample test.…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.