A population of values has a normal distribution with �=119.5 and �=12. You intend to draw a random sample of size �=89.Find the probability that a single randomly selected value is greater than 122.9.P(X > 122.9) = Find the probability that a sample of size �=89 is randomly selected with a mean greater than 122.9.P(M > 122.9) =

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1001 dollars. Assume the…

A: From the provided information, Mean (µ) = 1001 dollars Standard deviation (σ) = 251 dollars

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1001 dollars. Assume the…

A: Given: Mean μ = 1001 Standard deviation σ = 220 Sample size n = 72

Q: CNNBC recently reported that the mean annual cost of auto insurance is 999 dollars. Assume the…

A:

Q: suming you obtain a random sample of blood glucose level for a 32 individuals from a population and…

A: To find the probability that the mean blood glucose levels for the sample population will be above…

Q: Az-score of z = +1.00 indicates a position in a distribution Above the mean by 1 point. Above the…

A:

Q: A population of values has a normal distribution with �=196.2 and �=85. You intend to draw a random…

A: The objective of the question is to find the score (P73) that separates the bottom 73% of scores…

Q: Suppose z is a normal random variable. If you need to find P ( Z > 1.84 ), explain how to shade the…

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

Q: Score on a certain nation-wide college entrance examination follows a normal distribution with a…

A: Given Information: Mean μ=110 Standard deviation σ=60 To find the approximate percentage that a…

Q: The time it takes to drive through the middle of campus follows a uniform distribution with a…

A:

Q: - 10.4. You intend to draw a A population of values has a normal distribution with μ = 116.7 and σ =…

A: Solution-: Given: μ=116.7,σ=10.4,n=246 We want to find, (a) P(115.2<X<117)=? (a)…

Q: A) has a mean öI 100 and a standar deviation of 10. What is the probability that X will be smaller…

A: We have given that.   X~N( μ , ?^2 )   μ =100 , ? =10   Z-score =( x - μ )/?

Q: Scores on a standardized exam are known to follow a normal distribution with a standard deviation…

A:

Q: he time it takes for a statistics professor to mark a single midterm test is normally distributed…

A: Given Data: μ=4.9σ=1.9   Using central limit theorem ∑X ~ Normal (n×μ, n×σ2)∑X ~ Normal (269.5,…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 982 dollars. Assume the…

A:

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1018 dollars. Assume the…

A: GivenMean(μ)=1018standard deviation(σ)=224sample size(n)=90

Q: A population of values has a normal distribution with �=138 and �=31.6. Find the probability that a…

A: The objective of the question is to find the probability of a single randomly selected value and a…

Q: A population of values has a normal distribution with �=72.7 and �=18.4. Find the probability that…

A: From the provided information,

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1035 dollars. Assume the…

A: Given Mean=1035 Standard deviation=250

Q: A normal distribution (X) has a mean of 100 and a standard deviation of 10. What is the probability…

A: A normal distribution (X) has a mean of 100 and a standard deviation of 10.

Q: Average ACT = 540 with a standard deviation of 134. What is the probability that a high school…

A: X~N( μ , ?)μ=540     , ?=134Z-score =( x - μ )/?

Q: Find the probability that a single randomly selected value is less than 962 dollars. P(X < 962) =…

A: CNNBC recently reported that the mean annual cost of auto insurance is 1012 dollars. Assume the…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1009 dollars. Assume the…

A:

Q: A population of values has a normal distribution with μ = 198.2 and a = 35.4. You intend to draw a…

A:

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: Let  be the percent of fat calories that a person in America consumes each day.The random variable…

Q: auto insurance policies. Find the probability that a single randomly selected value is less than…

A: Given that CNNBC recently reported that the mean annual cost of auto insurance is 1017 dollars and…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1018 dollars. Assume the…

A:

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: The time it takes for a statistics professor to mark a single exam is normally distributed with a…

A:

Q: A population of values has a normal distribution with �=204.6 and �=28.3. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: Suppose that weight of men in a population has a normal distribution with mean 60 Kg and standard…

A: Formula : Z =(X - μ)/σ

Q: A population of values has a normal distribution with �=89.1 and �=11.9. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: The mean time for a group of adults to complete a certain achievement test is 38.8 minutes and the…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: We have  to find required probability and correct graph....

Q: The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050 hours and a…

A: Given that, The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050…

Q: A population of values has a normal distribution with �=138 and �=31.6. Find the probability that a…

A: The objective of the question is to find the probability of a single randomly selected value and a…

Q: The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A:

Q: The average amount of sleep students get a night is normally distributed with a mean of 6.5 hours…

A: Normal distribution is also known as the Gaussian distribution . It is widely used in statistics .

Q: A population of values has a normal distribution with �=168.4 and �=78.7. Find the probability that…

A: The given data is as follows:Population mean, Population standard deviation,

Q: A population of values has a normal distribution with �=218.4 and �=61.1. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: A population of values has a normal distribution with �=196.5 and �=96. Find the probability that a…

A: From the provided information,