What is the probability of a continuous Normal random variable given a value of the random variable? What are the parameters? Use a calculator and show the functions used to find P(X>10) given a mean of 25 and a standard deviation of 2.
Q: The processing time for the robogate has a normal distribution with mean 23 sec and standard…
A: Given: The mean of the processing time μ=23 sec The standard deviation σ=2 sec.
Q: nsurance companies know the risk of insurance is greatly reduced if the company insures not just one…
A: Solution: Given information: μ1= 50.7 Mean of Joelμ2= 50.7 Mean of David σ1= 10.4 Standard…
Q: Scores on an employment test follow a normal distribution with a mean of 98 and a standard deviation…
A: Here, µ=98 and σ=17.
Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…
A: Given that: n1=13n2=28 Population means of both counter are equal i.e., μ1=μ2=4 Population standard…
Q: Normal distributions have a mean of 0 and a standard deviation of 1.0. True False
A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…
Q: Assume that the amounts of weight that male college students gain during their freshman year are…
A: Given information- Population mean, µ = 1.2 kg Population standard deviation, σ = 4.8 kg Let, X be…
Q: Porphyria is a pigment in blood protoplasm and other body fluids that is significant in body energy…
A:
Q: scores of all examinees, who took that test this year, are normally distributed with a mean of 420…
A: Given Data Population Mean,μ = 420.0 Population Standard Deviation,σ = 40.0
Q: nsurance companies know the risk of insurance is greatly reduced if the company insures not just one…
A: Given : For Joel X1 =51.1 & standard deviation =13.4 For David X2=51.1 & standard…
Q: According to the type your answer... we expect the mean of a sample (M) to be closer to the mean of…
A: Central limit theorem : Distribution of sample means approximate a normal distribution as the sample…
Q: The amounts of time per workout an athlete uses a stair climber are normaly distributed, with a mean…
A: The mean is 23, standard deviation is 7.
Q: staurant. If X has an exponential distribution with 1 = 10, compute the following: ) The expected…
A:
Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…
A: Given data,μ=180000σ=39000
Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 36…
A: Note- As per our policy we can answer only 1st question. If you want solutions for other, then you…
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: Assume that adults have IQ scores that are normally distributed with a mean of 95.2 and a standard…
A:
Q: Suppose that the number of customers who enter a supermarket each hour is normally distributed with…
A:
Q: Wild deer population weight has standard deviation of 50 lb. What is the probability of existence of…
A: Wild deer population weight has standard deviation of 50 lb. Sample size, n = 100 x¯-μ=±5
Q: The marks in an exam have a Normal distribution with mean 65 and standard deviation 15. A mark of 80…
A:
Q: A distribution of values is normal with a mean of 91.5 and a standard deviation of 5. Find the…
A: Normal distribution
Q: The number of tickets purchased by an individual for Beckham College's holiday music festival is a…
A:
Q: person catches a cold during the cold and flu season is 0.4Assume that 10 people are chosen at…
A: This is the case of binomial, as there are only two possible outcomes which are independent and…
Q: The probability distribution of the random variable X represents the number of hits a baseball…
A: σ2=E(X2)−(E(X))2
Q: In the university high school the average score on a physical fitness exam is 172with a standard…
A: Given that, Mean = 172 Standard deviation = 30
Q: Medication used to treat a certain condition is administered by syringe. The target dose in a…
A: a. The dose administrated is normally distributed with mean μμ and variance σ2. The formula to…
Q: Experience has shown that the weight of lemons produced by an orchard is normally distributed, with…
A: The distribution of sample mean will also follow normal distribution with mean parameter equal to 50…
Q: SAT scores in a state are normally distributed with a mean of 1411 and a standard deviation of 88.…
A: Answer: From the given data, Let X represents the SAT scores in a state X follows normal…
Q: The probability that a person who exercises and eats well has a heart attack is predicted to be 0.3…
A: Given that The probability that a person exercises and eats well has a heart attack is predicted to…
Q: Assuming the coin is biased, and the probability of a Head is 0.9, work out the theoretical mean and…
A: A single biased coin is tossed once.
Q: You work at the Quality Department of a photocopier manufacturer. After each over- haul, the time…
A: Introduction: Denote X as the amount of time in years between two consecutive overhauls. It is given…
Q: The probability that a randomly chosen student in a statistics class submits his/her homework on…
A: From the provided information, The probability that a randomly chosen student in a statistics class…
Q: The temperature in degrees Fahrenheit at a certain location is normally distributed with a mean of…
A: Mean = 68 Standard deviation = 4
Q: Water use in the summer is normally distributed with a mean of 314.5 million gallons per day and a…
A: Let X be the normal random variable with the mean of 314.5 million gallons per day and a standard…
Q: Use the fact that the mean of a geometric distribution is μ=1/p and the variance is sigma squared…
A: a) The mean of a geometric distribution is 1/p and the variance is q/p2, where p is the success…
Q: A radar makes a random error in measuring the distance of an aircraft as follows. If the true…
A: Problem can be solved using Standard Error formula and Standard Normal Table.
Q: The number of tickets purchased by an individual for Beckham College’s holiday music festival is a…
A: Number of tickets is uniformly distributed where Mean of uniform distribution is given by:
Q: Scores on an employment test follow a normal distribution with a mean of 222 and a standard…
A:
Q: Let x be a random variable that represents white blood cell count per cubic milliliter of whole…
A: Standard normal distribution : Let x be the continuous random variable and it said to be follows…
Q: O Part (a) Give the distribution of X X--Select-v Part (b) Find the probability that the percent of…
A: X which represents the percent of calories will follow normal distribution. X~Norm(36,10) The…
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- Assume the random variable x is normally distributed with mean p= 83 and standard deviation o = 5. Find the indicated probability. P(x< 73) P(x<73) = (Round to four decimal places as needed.) Help me solve this View an example Get more help -The number of tickets purchased by an individual for Beckham College's holiday music festival is a uniformly distributed random variable ranging from 7 to 12. Find the mean and standard deviation of this random variable. (Round your answers to 2 decimal places.) Mean Standard deviationFind probability that cholesterol level is mostly 250 Round to hundredths
- Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 124.The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.39. There is 46 student in the class. Each student does his/her homework independently. What is the standard deviation of X, where X is the number of students who submit the homework on time?A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 151 cm and a standard deviation of 1.5 cm. For shipment, a random sample of 30 steel rods are bundled together.Find the probability that the mean length of a random sample of 30 steel rods is greater than 151.1 cm. Round your answer to 3 decimal places.P(M > 151.1) =
- The probability that a randomly chosen student in a statistics class submits his/her homework on time is 0.12. There is 35 student in the class. Each student does his/her homework independently. What is the standard deviation of X, where X is the number of students who submit the homework on time?The processing time for the robogate has a normal distribution with mean 21 sec and standard deviation 3 sec. Find the probability that the next operation of the robogate will take 27 sec or less. Click the icon to view the standard normal distribution table. The probability isScores on an employment test follow a normal distribution with a mean of 188 and a standard deviation of 47. If we select an individual at random, what is the probability that his/her score on this test will be equal to or less than 259? (Provide your answer as a number between 0 and 1, rounded to 4 decimals).
- ABC Builder decides to apply a veneer to an external part of the building in order to protect it from erosion. If the density of the veneer follows a uniform distribution between 12 and 24 microns, determine: the mean density of the veneer of the protective building The standard deviation of the density of the protective building The probability that the protective building is between 15- and 20-microns dense The probability that the protective building is less than 22 microns dense.Assume that a randomly selected subject is given a bone density test. These test scores are normally distributed with a mean of 0 and a standard deviation of 1. Find the probability that a given score is less than -0.71.***Only do this question if using Minitab and show images*** Let X1, X2, X3, . . . , X200 denote the weights of 200 independent and identically distributed bags of candy corn. If the mean weight of each bag is 2 lb. and its standard deviation is 0.07 lb., determine the probability that the average of 200 bags weighs between 1.997 lb. and 2.06 lb. Show your answer using Minitab.
