Phenylketonuria is inborn disease with the prevalence 0.4 per 1000 newborns. The parameters of phenylketonuria test are Sensitivity: 1.000 Specifity: 0.999 Patient has positive test result. What is the probability, that pacient is diseased? What is the probability, that he has no disease?

Q: The mean and standard deviation of a binomial probability distribution with n=25 and p = 0.20 are

A: p = 0.2 n = 25

Q: at random for analysis, what is the probability that the traveler will be arrested for illegal…

A: To avoid detection at customs, a traveler places 6 narcotic tablets in a bottle containing 9 vitamin…

Q: The random variable X can only take the values ​​1, 2, 3 and 4 with equal probability. Determine the…

A: Given information: A random variable X has been given that can take only values 1, 2, 3 and 4. The…

Q: The U.S. Bureau of Printing and Engraving is responsible for printing this country’s paper money.…

A: Here, n=1000 and p=0.5%.

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A:

Q: A test for a certain disease takes anywhere from 1 minute to 10 minutes to administer. If the time…

A: From the given information, let X be the test time for the administer to identify the disease. Here,…

Q: Suppose a clinical trial is conducted to test the efficacy of a new drug, spectinomycin, for…

A: Given information: Number of patients who are given a 4-g daily dose of the drug n=46 Number of…

Q: If a newborn lab rat receives a hormone and its weight in ounces is converted into a z score that is…

A: Given that the z-score for the weight in ounces of a newborn lab rat receives a hormone is 2.

Q: In a getting experiment on pear, one sample of offspring contained 379 green peas and 153 yellow…

A: The probability that getting a green peas is obtained below: The probability of an event A is…

Q: Did high gas prices keep Americans from hitting the road this past summer? In a nationwide survey of…

A: Conditions for discrete probability distribution: The following requirements should be satisfied for…

Q: The quality-control inspector of a production plant will reject a batch of syringes if two or more…

A: Let us consider ; X be the number of syringes being defective as a binomial random variable. We are…

Q: A small store keeps track of the number X of customers that make a purchase during the first hour…

A: Given: Probability distribution of X: x 0 1 2 3 4 fx 0.1 0.1 0.1 0.1 0.6 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: A physician acquires measurements of serum-triglyceride level from a group of patients in order to…

A: Non-parametric tests are used when the type of underlying distribution followed by chosen variable…

Q: What is the probability of a Type I error?

A: The type I error is defined as rejecting the null hypothesis when actually it is true. Let X denote…

Q: Porphyrin is a pigment in blood and other body fluids that is significant in body energy and…

A: According to the provided information, μ = 38 and σ = 12

Q: fter deducting grants based on need, the average cost to attend USC is μ=$28,000. The population…

A: Given that  The average cost to attend USC is $28,000 Population mean (μ) = $28,000 Population…

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: upper bound to the probability that the child’s time playing video games on a given day will exceed…

A:

Q: Josh has a weighted coin with Pr[H]=0.65 If he flips this coin four times, what is the probability…

A: *answer:

Q: Radioactive mass A emits particles at a mean rate of 20 per minute, and radioactive mass B emits…

A:

Q: According to a Gallup poll, 60% of American adults prefer saving over spending. Let X = the number…

A: 1. According to Poll 60% American adults prefer saving over spending

Q: A pharmaceutical company receives large shipments of ibuprofen tablets and uses an acceptance…

A: Given: Sample size of tablets (n) = 30 Probability of defects (p) = 0.06

Q: A usb distributor makes large orders, historically it has detected that 10% of the packages arrive…

A: Given that p =0.10 , n =100 a). Between 9% and 12% of the packaging damagedb). Less than 8% of…

Q: a newspaper seller orders 10,000 unites of newspaper for his inventory.suppose demand for th…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: C. The number of hurricanes hitting the coast of Florida annually has a possion distribution with…

A: C. Let Y be the random variable that represents number of hurricanes hitting the coast of Florida…

Q: The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of…

A: Given information- Population mean, μ = 80 Population standard deviation, σ = 8.7 Let X be the…

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Givenproportion(p)=0.634sample size(n)=430Mean(μp^)=p=0.634standard…

Q: A Statistics show that on an average weekend night, 1 out of every 10 drivers on the road is drunk.…

A: Given data, n=400 p=110q=1-p=910 P(25<X<38)=?

Q: The sensitivity P(+ test| + case) of a newborn cystic fibrosis test is . 87 and the  specificity P(-…

A: Given: P(+ test| + case) = 0.87 P(- test| - case) = 0. 99 Prevalence = P( +case) = 1/3500 = 0.000286…

Q: According to the Current Results website, the state of California has a mean annual rainfall of 25…

A: California 25 3 30 New york 36 3 45

Q: with integrity statement) What is the probability that a randomly selected customer from this sample…

A: the number of customers who bought various brands of digital cameras at Walmart and best buy

Q: If the probability is below 0.01, the data provide strong evidence that the null hypothesis is…

A: P-value or probability value: P-value or probability value method involves the probability of…

Q: Let X be the discrete r.v. that represents the number of Boys in a three-child family. Assume that…

A: The variable X is the number of Boys in a three-child family with the outcomes boys and girls are…

Q: X has a random variable with Poisson distribution A = 2. Accordingly, what is the probability value…

A:

Q: There

A:

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: 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: Installation of some software package requires downloading 82 files. On the average, it takes 15 sec…

A: We have given that.   X~N( μ=15 , ?^2=16)   μ=15 , ?=4   Z-score =( x - μ )/?

Q: What percentage of such patients have a stress score lower than 6.0? b. What is the probability that…

A: Answer:----.                 Date:----26/10/2021

Q: The number of telephone calls coming into Grace Floral Shop to place orders averages 3 per minute.…

A:

Q: The daily total cost (y) in dollars for production of (x) items follows the SLR model: Y = 125 +…

A: Given Standard deviations=10

Q: The average number of calls received by a switchboard in a 30-minute period is 10. a. What is…

A: To calculate: a. What is the appropriate probability distribution for X? b. What is the probability…

Q: 24. When the value of alpha is increased, the probability committing a type II error is

A: Here use graphical representation for better information