Assume the random variable x is normally distributed with mean 64 and standard deviation 5. Find the indicated probability. X is more than 65

Q: Assume that for the population of MBA (Supply Chain Management), the average starting salary is PKR…

A: Points on sampling distribution of the sample mean: If the true population distribution of a random…

Q: the weights of packages of ground beef are normally distributed with mean 1 pound and standard…

A: Given Data Population Mean,μ = 1.0 Population Standard Deviation,σ = 0.1

Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

A:

Q: The mean weight of junior high school students is µ = 45 kg. If a random sample of 90 students is…

A: Given: μ=45n=90σ=6

Q: X is normally distributed with mean 500 and standard deviation 20

A: It is given that the X is normally distributed with mean 500 and standard deviation 20. So,…

Q: For a random variable that is normally distributed, with a mean of 80 and standard deviation of…

A:

Q: the random variable X is normally distributed with a mean of 80 and a standard deviation of 10, then…

A: Introduction: Define X as the random variable of interest here. It is given that X has a normal…

Q: if X is normally distributed withe mean 10 and standard deviation 2, what is the probability that X…

A: Given, Px,5=PX-μσ<5-102=Pz<-2.5=0.00621 Using Excel SyntaxNORM.S.DIST-2.5,TRUE X is normally…

Q: An engine horsepower is normally distributed with an average of 350 horsepower and a standard…

A:

Q: for a normal standard distribution, what is the probability that z>=.0.04?

A: We have given the normal standard deviation. The given z-score is- z≥0.04 We have to find the…

Q: c) Mr Ledwaba from Department of Health assumed that a random variable X is normal with mean 2 and…

A: As per bartleby guidelines we can solve only first question and rest can be reposted Given:  Random…

Q: 6. If the probability of a defective bolt is 0.1, find (a) the mean (b) the standard deviation for…

A: Given,n=400Probability of success(p)=0.1Probability of failure(q)=1-0.1=0.9here we can use binomial…

Q: Assume that adults have IQ scores that are normally distributed with a mean μ=100 and a standard…

A: Given μ = 100and  standard devaition (σ) = 20we need to calculate P( 89 < X < 111)

Q: If a random variable X has the normal distribution with mean 9 and standard deviation 2, about what…

A: Given data, mean=9 sd=2 P(X<5)=?

Q: The weights of packages of ground beef are normally distributed with mean 1 pound and standard…

A: Introduction:Denote X as the weight (pound) of a randomly selected package of ground beef. Thus, X…

Q: Assume that the salaries of elementary school teachers are normally distributed with a mean $35,000…

A:

Q: The service time for customers coming through a checkout counter has mean 128 seconds and standard…

A: Let, X=The service time for customers coming through a check out counter Given that X follows a…

Q: Find the standard deviation o of the random variable X given the probability distribution

A: Steps to find the standard deviation δ for given probability distribution - Step 1. Find x.P(x)Step…

Q: Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7.…

A: Mean = 50 Standard deviation = 7

Q: The average cost per household of owning a brand new car is 5000. Suppose that we randomly selected…

A:

Q: Assume that the average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5…

A: Given - The average weight of an NFL player is μ = 245.7 pounds with standard deviation σ =34.5…

Q: John drives to work each morning, and the trip takes an average of u = 38 minutes. The distribution…

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: Assume the random variable x is normally distributed with mean μ=84 and standard deviation σ=5.…

A:

Q: Assume the random variable x is normally distributed with mean equals=84 and standard deviation…

A: z-score:A z-score is a standard score that describes the number of standard deviation away from its…

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: We have to find given probability..

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: Let X be a continuous random variable is normally​ distributed with a mean of 100 and a standard…

Q: If X is normally distributed with mean 10 and standard deviation 2, what is the probability that X…

A:

Q: Estimate the indicated probability by using the normal distribution as an approximation to the…

A: Continuity Correction: The binomial and Poisson distributions are discrete random variables, whereas…

Q: 2. Given a random variable X having a normal distribution with -40 and o-5, find the probability…

A:

Q: An engine horsepower is normally distributed with an average of 350 horsepower and a standard…

A: We have given that,  X be the random variable from normal distribution with mean or average (μ)=…

Q: For a normal random variable with mean 650 and standard deviation 40, find the probability that its…

A: Given information- Population mean, μ = 650 Population standard deviation, σ = 40 Let X be the…

Q: For a normal random variable with mean 16.5 and standard deviation 0.8, find a point of the…

A: From the provided information, Mean (µ) = 16.5 Standard deviation (σ) = 0.8 Let X be a random…

Q: If the mean and the standard deviation of a continuous random variable that is normally distributed…

A: Solution

Q: If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8,…

A: Given: µ = 75 σ = 8

Q: Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7.…

A: It is given that, the random variable X is normally distributed with mean μ=50 and standard…

Q: The service time for customers coming through a checkout counter has mean 50.4 seconds and standard…

A: Define X as the service time for customers coming through a checkout counter has mean 50.4 seconds…

Q: According to Chebychev's theorem, the probability that the random variable Y differ from the mean u…

A: The provided information is:

Q: Assume that the random variable X is distributed, with mean 48 and standard deviation 11. Compute…

A: Given: Calculate the corresponding Z score as follows: The probability that the score is less than…

Q: The volume of a dog shampoo filled into a container is uniformly distributed between 370 and 380…

A: X ~ U(370, 380) i.e. a = 370 b = 380

Q: If the probability that the random variable Z with a standard normal distribution is between the -k…

A: We know, Z follows standard normal distribution, therefore,…

Q: The volume of a dog shampoo filled into a container is uniformly distributed between 370 and 380…

A: Obtain the mean of the volume of dog shampoo.   The mean of the volume of dog shampoo is obtained…

Q: For a normally distributed random variable the standard deviation is 3.7 what is the mean if 10% of…

A: Given that, σ=3.7 Consider that 10% of the distribution is less than 31.

Q: Suppose that the mean daily viewing time of television is 8.35 hours per household. Use a normal…

A: a. Given that the mean daily viewing time of television is 8.35 hours and standard deviation of 2.5…

Q: The random variable X is normally distributed with a mean of 80 and a standard deviation of 10,…

A: X is normally distributed with mean 80 and standard deviation 10, The P85≤X≤90 is obtained as below…

Q: Assume the average price for a movie is ​$7.35. Assume the population standard deviation is ​$0.44…

A:

Q: A newborn baby is classified as having Extremely Low Birth Weight (ELBW) if it weighs less than 1000…

A: It is given that the mean is 815 and standard deviation is 100.

Q: For a normal random variable with mean 19,500 and standard deviation 400, find a point of the…

A:

Q: An engine horsepower is normally distributed with an average of 350 horsepower and a standard…

A: We have to find probability..

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.