If a random sample of size 14 is drawn from a normally distributed population with mean 43.5 minutes. What is the probability that the sample mean exceeds 45.412 mninutes, if the sample standard deviation is 2.7 minutes? O 0.004 O 0.996 O 0.99 0.01

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

A:

Q: A population has a mean of 33 and a standard deviation of 5 . What is the probability that the…

A: Population mean=33Population standard deviation=5Sample size n=58

Q: A random sample of 25 observations yield a mean of 116 and a standard deviation of 12. What is the…

A: Given data,Mean μ=116sd σ=12P(X>1150)=?

Q: For a population With a mean of 75 and a standard deviation of 12, what is the probability that a…

A:

Q: Suppose that in a large population of women (aged 20 to 29-years-old) that the mean serum…

A: Mean()=183standard deviation()=37sample size(n)=60

Q: The numerical population of grade point averages at a college has mean 2.61 and standard deviation…

A: Given : Mean (µ)=2.61 Standard deviation (σ)=0.5 Sample size (n)=100

Q: A sample of 235 students was taken for an exploratory study. Each member of a random 35 of these…

A: Since the sample size is sufficiently large, and the population standard deviation is known, the…

Q: Suppose the age a student graduates from Salem State is Normally distributed. If the mean age is…

A:

Q: Suppose in a certain primary school, the weight of boys are normally distributed with mean 28kg and…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Suppose that a random sample of size 36 is to be selected from a population with mean 47 and…

A: Given that.   X~N( μ , ?)   μ=47    , ?=8  , n=36   Z-score =( x - μ )/?

Q: Suppose the age a student graduates from Salem State is Normally distributed. If the        mean age…

A: Given, mean = 23.1 Standard deviation = 3.1 We know, z = (x-mean)/std dev

Q: random sample of 100 individuals was taken from a population with a mean height of 170 cm and a…

A: Given that,The sample size is The population's mean height is  cmThe population standard deviation…

Q: A population which has a size of N=100 has a mean of 50 and a standard deviation of 10. What is the…

A:

Q: A population is normally distributed with mean 15 and standard deviation 2.6. Find the probability…

A:

Q: Suppose that in a large population of women (aged 20 to 29-years-old) that the mean serum…

A: It is required to find the probability that a sample of 60 women aged 20 to 29-years-old from the…

Q: A sample of size 65 will be drawn from a population with mean 22 and standard deviation 15. Find the…

A: Given that sample size n=65Population mean μ=22Population standard deviation σ=15

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

A: Given Information: Standard deviation (s) = 16  Sample size (n) = 64  Sample mean - Population mean…

Q: A population has mean of 150 and standard deviation of 20. What is the probability that a random…

A:

Q: Suppose the random variable X had a population mean u=20 and a population standard deviation o=9. If…

A: Given that: X is normally Distributed with mean µ = 20.0 and standard deviation σ = 9.0 By using…

Q: suppose the walking step lengths of an adult males are normally distributed with a mean of 2.7 feet…

A: Given that  Mean=μ=2.7 Standard deviation=σ=0.3 Sample size=n=70 X~Normal(μ=2.7,σ=0.3)

Q: A random sample of 25 observations yield a mean of 106 and a standard deviation of 12. What is the…

A: It is given that mean and standard deviation are106 and 12, respectively.By using central limit…

Q: will apply for graduate school. If the population standard deviation is 10 and the sample size is…

A: Given that  Population proportion p=25%=0.25 Sample size n =100

Q: Suppose the average time it takes to complete is 60 minutes with a population standard deviation of…

A: Given that the average time it takes to complete is 60 minutes with a population standard deviation…

Q: Suppose the average age of a Tulane undergraduate is 20 years with a standard deviation of 1.2…

A:

Q: For a population with a mean of 100 and standard deviation of 16, what is the probability that a…

A: The central limit theorem states if the sample size (n) is large (greater than or equal to 30), then…

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: Suppose that in a certain population of fish, the lengths of the individual fish follow…

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Q: A random sample of size n = 81 is taken from a normal population with mean 52.6 and standard…

A: The probability to that the mean of the sample will be less than 50.5 is obtained below as follows:…

Q: Suppose the random variable X has a population mean u=20 and a population standard deviation o=9. If…

A:

Q: Suppose a population has a mean of 90 and a standard deviation of 28. If a random sample of size 49…

A:

Q: Suppose the age of cars on the road is normally distributed with a mean of 6.9 years. If the…

A:

Q: A certain brand of car tends to break down on average after 115,000miles with a standard deviation…

A: The objective of this question is to find the probability that the average breakdown mileage of a…

Q: If the average length of all low-weight babies at the time of birth is known to be 36.5 centimeters…

A: Given Data: Mean=36.5 SD=2.4

Q: Suppose that a random sample of size 25 is to be selected from a population with mean 46 and…

A: Given n=25=sample size Population mean μ=46, standard deviations σ=8

Q: A random sample of 40 computer chips is drawn from population and the weight of each recorded. A…

A: From the provided information, Mean (µ) = 0.8 Standard deviation (σ) = 0.1 X~N (0.8, 0.1) Sample…

Q: ples of size 100 are drawn randomly from a normal population that has a mean of 20 and a standard…

A: Given: μ=20, σ=5, n=100 The corresponding z-value needed to be computed: The probability of…

Q: Suppose a population distribution has a mean  = 150 and a standard deviation s = 30, and you draw a…

A: Given: Mean = μ = 150 Standard deviation = σ = 30 n = 100

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…

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.