The average expense of the dela cruz family is 12,600 every half month with a standard deviation of 1570. If their expenses are normally distributed, what is the probability that the family consuming is less than 11,000 in one half month?

Q: The average age of accountants is 53 years, with a standard deviation of 5 years. If an accounting…

A: We have to find probability..

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.7…

A: It was given that a manufacturer knows that their items have a normally distributed lifespan. The…

Q: The average credit card debt for Americans is $5,725. If the debt is normally distributed with a…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.7…

A: We have to find out given probability...

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.3…

A: Given that A manufacturer knows that their items have a normally distributed lifespan, with a mean…

Q: The mean cost of a new Sport Utility Vehicle (SUV) has been found to be $42,500 with a standard…

A: Given that  X~Normal(μ=42500  , σ = 2500) Formula for Z-score    Z-score=(X-μ)/σ

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.7…

A: Given:-A manufacturer knows that their items have a normally distributed lifespan, with a mean of…

Q: According to the children’s growth chart that doctors use as a reference, the heights of…

A:

Q: At a local restaurant, the amount of time that customers have to wait for their food is normally…

A: The mean is 24 and the standard deviation is 3.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.4…

A: We have to find the probability that their mean length is less than 15.9 inches...

Q: An insurance company has 10,000 automobile policyholders. The expected yearly claim per policyholder…

A: Given : Mean = μ = 230 Standard deviation = σ =  900 sample size = n = 10000

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A:

Q: If babies have birth weights that are approximately normally distributed with mean 3.3kg and a…

A: Given :  μ=3.3 kgσ=0.55 kgX~N(μ=3.3,σ2=(0.55)2)  We want to find, P(X > 5) = ?

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10.8…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.2…

A: We have given that, Normally distributed with mean = 12.2 . And Standard deviation = 1.9 . We have…

Q: The Monthly salaries of teachers at Los Angeles Trade Tech are normally distributed with a mean of…

A: Given information: The monthly salaries of teachers at Los Angeles Trade Tech are normally…

Q: Suppose the salaries of a company that pays to its employees are normally distributed with an…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.8…

A:

Q: If the weights of sheep are considered normally distributed with a mean of 60 kg and a standard…

A:

Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

A:

Q: If the average commute to work (one way) is 30 minutes, assuming commuting times are normally…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 7.4 inches,…

A: Let "M" be the mean length of the item in inches.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.4…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12 years,…

A: Given,mean(μ)=12standard deviation(σ)=2.7

Q: The life span of a particular species of turtle is normally distributed with a mean of 180 years and…

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 19.2…

A: Given that, Mean = 19.2 Standard deviation = 3

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.6…

A: Given Mean=7.6 Standard deviations=2.4

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 14.5…

A: We have to find given probability.

Q: Suppose the salaries of a company that pays to its employees are normally distributed with an…

A:

Q: Suppose that heights of women at UT Tyler are normally distributed with a mean of 64 inches and a…

A: It is given that the mean is 64 and standard deviation is 2.4.

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A: Given, Item have length follows normal distribution with mean 11.9 and standard deviation 1.1…

Q: The weekly salaries of a group of employees are normally distributed with a mean of $800 and a…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.5…

A: GivenMean(μ)=4.5standard deviation(σ)=1.5

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 5.2 inches,…

A: Obtain the probability that the mean length is less than 5.6 inches. The probability that the mean…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 6 inches,…

A: GivenMean(μ)=6standard deviation(σ)=0.6sample size(n)=22

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

A: Let X is the random variable representing lengths of human pregnancies. X~Normalμ=268,σ=16

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.3…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 5 inches,…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.9…

A:

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: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10 years,…

A:

Q: Suppose the average age at death of a California Adventist is 85.5 with a standard deviation of 5.6…

A: Given Data: Let X represent the random variable Mean=85.5 SD=5.6   Assuming normal distribution X~…

Q: According to the children’s growth chart that doctors use as a reference, the heights of…

A:

Q: The weights of the fish in a certain lake are normally distributed with a mean of 15 lb. and…

A: Consider X be a random variable which follows normal distribution indicates the weight of fish. The…

Q: The ages of workers in the Illuminex plant are approximately normally distributed, with a mean of 45…

A: Given information Mean µ = 45 Standard deviation σ = 12 a) Probability that this worker is less than…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17 inches,…

A: Let X be the length of the item. We have, μ=17, σ=5.4  We want to find out P(X<4.8) when X=4.8,…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10 inches,…

A: Mean = 10 Standard deviation = 3.2

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

A: Consider,X be a random variable that represents the lengths of human pregnancy which is normally…

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.