What requirements are necessary for a normal probability distribution to be a standard normal probability distribution? www

Q: For a standard normal distribution, find the probability that a value is greater than 1.56 standard…

A: Let Z is a standard normal distribution.  So the standard deviation here is 1 and the mean is 0.…

Q: Illustrate probability density function of a normally distributed random variable?

A: f(x)=12πσ2e-(x-μ)22σ2   -∞<x<∞     X~N(μ,σ2)

Q: Use excel please

A: Given: Population meanμ=48Population varianceσ2=64Population standard deviation=64=8Sample size(n)=9

Q: The standard normal distribution is also called a finite distribution because its mean is zero and…

A: Standard normal distribution: Standard normal distribution is the normal distribution with mean as 0…

Q: The probability of any one particular value in the normal distribution

A: The probability value always lies between 0 and 1 for any distribution.

Q: How do you know when to use a specific distribution? For example, when would we use the Normal,…

A: Normal distribution:Several tests of normality exist, using which you can verify whether a…

Q: 1. Describe the shape of the normal a distribution. 2. What are the properties of a normal…

A:

Q: Durations of clinical research studies awarded by a particular federal agency are assumed to follow…

A:

Q: A random variable follows the normal probability distribution with a mean of 100 and standard…

A: Given data,μ=100σ=10

Q: The monthly rents for studio have a apartments in Abu Dhabi mean of AED 3400 and a standard…

A: GivenMean(μ)=3400standard deviation(σ)=400sample size(n)=25

Q: What is the special property of the standard normal distribution?

A: Standard normal distribution: The total area under the density curve is equal to 1.

Q: Percentage daily returns on a financial asset is modelled through a normal random variable. You want…

A:

Q: How do you solve this on excel or in general In an article in the Journal of Management, Joseph…

A: The mean amount of time lost during a three-month period was 1.4 days per employee with a standard…

Q: The standard normal distribution can be used to calculate probabilities for a normally distributed…

A: Normal dist. has a bell-shaped curve.

Q: A common practice of airline companies is to sell more tickets for a particular flight than there…

A: Given,The percentage of no-shows at flight time is 4%. That is, probability of no-shows = 4% =…

Q: probability distribution for an aircraft spot landing contest is shown. What does the shaded area…

A: The graph shows the probability distribution for ann aircraft spot lending contest.Answer given in…

Q: The brain weights of a certain population follow approximately a normal distribution with mean 1,255…

A: Answer is  .22

Q: Sampling distribution only applies for a single sample True False

A: We have given that,  Sampling distribution only applies for a single sample?

Q: A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food…

A: given data, normal dsitributionμ=142.2σ=24we have to find out the given probabilities.

Q: Number of misprints per page of a thick book follows . Normal distribution . Poisson distribution.…

A: Normal Distribution: Typically used for continuous variables, not generally suitable for counting…

Q: lin the standard normal distribution the mean has a value of

A:

Q: For a standard normal distribution, find the probability that a value is greater than 0.68 standard…

A: value is greater than 0.68 standard deviations below the mean and less than 2.99 standard deviation…

Q: Why we find central measures in probability distribution?

A: Suppose a variable of interest is x.

Q: For a standard normal distribution, find the probability that a value is greater than 2.3 standard…

A: The probability that a value is greater than 2.3 standard deviations below the mean and less than…

Q: When people take their car to the service department the cost has a mean cost of $873.12 and a…

A: Solution: Let X be the cost. From the given information, X follows normal distribution with mean…

Q: The sample standard deviation follows a normal distribution if the population follows a normal…

A: We know that- The population follows a normal distribution with mean and standard deviation, the…

Q: hsSampling distribution is the distribution of a statistics. O True False

A: As we know sampling distribution is for sample mean or sample proportion.

Q: Statistical Literacy, Consider two discrete probability distributions with the same sample space and…

A: The probability distributions with same sample space are given below: The mean is, Thus, the mean…

Q: please interpret the models

A: Residual plots and normal probability plots are diagnostic tools for checking the simple linear…

Q: P value is also called the observed significance level because we use sample statistics (e.g.,…

A: We need to tell if the given statement is True or False:  P value is also called the observed…

Q: 1. The number of inquiries received per day by the Office of Admissions in a certain university is…

A: Solution

Q: The standard normal curve is a normal probability distribution that has a mean of 1 and standard…

A: standard normal distribution:-x~N(μ,σ2) then z=x-μσ~N(μ=0,σ2=1)               ~N(0,1)is called…

Q: The weight of a pizza from a local provider is normally distributed with mean of 450g and standard…

A: Let the random variable X denotes the weight of a pizza from a local provider. It is given that:…

Q: NORMAL DISTRIBUTION: Data values more than two standard deviations away from the mean would be…

A: Unusual z-score:   The z-score is said to be unusual if the standard Normal score is less than –2…

Q: What probability with the average of nine randomly selected individuals from the normally…

A: Given: Population mean(μ)=48 Population variance(σ2)=64 Population standard deviation=σ=64=8 Sample…

Q: Using standard normal distribution or Z distribution, Find the below probability P(Z > 0.71)

A: Answer: Using Standard normal distribution (or) Z distribution, We have to find, P(Z > 0.71)

Q: Adistribution has a mean of 40 and a standard deviation of 5. Approximately 95% of the distribution…

A:

Q: What does the Empirical Rule say? Can you use the Empirical Rule for ALL probabilities in a normal…

A: 1. What does the Empirical Rule say? 2. Can you use the Empirical Rule for ALL probabilities in a…

Q: For a standard normal distribution, find the probability that a value is greater than 2.9 standard…

A:

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

A:

Q: When the binomial distribution It becomes a Poisson distribution Note: Do not use artificial…

A: Binomial distribution is a discrete probability distribution that involves two possible outcomes…

Q: true or false 1. The median is the average or central value of a probability distribution.   2. A…

A: 1) The provided statement is false. because the median reflects the middle of a data set when it is…