after 4 days. How far in terms of the standard deviation from the mean is the healing rate of the wounds using Povidone iodine? Assume that the healing rates of wounds are normally distributed.

Q: When Lin drives a golf ball, it travels a mean distance of 200 yards with a standard deviation of 20…

A: Dear Student,  As per the guideline, I can solve only the first question. Kindly repost the other…

Q: The weight of new born babies is normally distributed with a mean of 3.5Kg and a standard deviation…

A:

Q: The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard…

A: The provided information are: Population mean (µ) = 1100 Population standard deviation (σ) = 150…

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: (a) The average age of Amtrak passenger train cars is 19.4 years. If the distribution of ages is…

A: Solution

Q: The heights of 1000 students are normally distributed with a mean of 174.5 centimeters and a…

A:

Q: The scores on a test are normally distributed with a mean of 70 and a standard deviation of 14, find…

A:

Q: A data set has a mean of 300 and a standard deviation of 40. What value would have a z-score of z =…

A: z-score of z = - 2 is -7.55 Reason: z-score of z = - 2=-2-meanstandard deviation=-2-30040=-7.55

Q: A sample of 3000 persons were surveyed for their weight in pounds, the mean weight is 135 lbs with a…

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

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: We want to 80th percentile

Q: The mean rate for cable t.v.from a sample of 80 households was $29 per month with a standard…

A:

Q: The mean weight of 500 male students at a certain college is 151 lb and the standard deviation is IS…

A:

Q: The duration of gestation in healthy humans is approximately normally distributed with a mean of 280…

A:

Q: A manufacturer knows from experience that the resistance of resistors he produces is normal with…

A: Given X is normal Distributed with mean µ = 150.0 and standard deviation σ = 5.0 now will using…

Q: The mean weight of 500 male students at a certain college is 151 lb and the standard deviation is 15…

A:

Q: Annabelle earned a score of 410 on Exam A that had a mean of 450 and a standard deviation of 40. She…

A: Here we need to find the score for exam B such that it is equivalent to the score of exam A. Inorder…

Q: The mean height of Grade 11 students at a certain University is 150 cm and the standard deviation is…

A:

Q: Assume that at the average age of a population of wild turtles is normally distributed with mean age…

A:

Q: A normal distribution has a mean of 100 and a standard deviation of 2. If 69,146% of the data are…

A:

Q: The distribution of heights of men is approximately Normal with mean of 69.2 inches and a standard…

A: GivenMean(μ)=69.2standard deviation(σ)=2.5

Q: If the coefficient of variation is 1% and the mean is 3.2, determine standard deviation (to four…

A: We have given that Mean(x̅) = 3.2 CV = 0.01

Q: The heights (in inches) of males in the United States are believed to be approximately Normally…

A:

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: μ=69,  σ=2.8  &  x=79.5

Q: The average birth weight for for a full term baby in Canada is 8 Ibs with a standard deviation of 1…

A: Let X denote the birth weight for a full term baby. Given that X follows N(mean = 8, SD = 1), then Z…

Q: . The average number of calories in a bar is 250 and has a standard deviation of 15. The number of…

A: As per our guidelines we are supposed to answer only one question per post so I am solving first…

Q: The heights of 1000 students are normally distributed with a mean of 174.5 centimeters and a…

A: From the provided information, Population size (N) = 1000 Mean (µ) = 174.5 cm Standard deviation (σ)…

Q: Suppose body temperature is normally distributed with mean of 98.30°F and a standard deviation of…

A:

Q: During 1 week an overnight delivery company found that the weights of its parcels were normally 20oz…

A: According to the given information, During 1 week of an overnight delivery company found that weight…

Q: The numbers of books checked out daily at a local library are normally distributed with a mean of…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.4…

A: The provided information is: Meanμ=12.40 Standard deviationσ=3.30   Consider that X is a random…

Q: In a factory producing parts for an electronic appliance, the length of a large  number of parts…

A: From the provided information, Mean (µ) = 3 Standard deviation (σ) = 0.05 X~N (3, 0.05) Here X be a…

Q: The lengths of pregnancies in a small rural village are Normally distributed with a mean of 265 days…

A: Obtain the standard z-score for the random variable X equals 239 days. The standard z-score for the…

Q: The weights of miniature horses are roughly normally distributed with a mean of 230 pounds and…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.7…

A: Let X denote the lifespan of items and it follows normal distribution with a mean of μ=10.7 years,…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given X is normal Distributed with mean µ = 263.0 and standard deviation σ = 39.0 now will use…

Q: Brooklyn earned a score of 850 on Exam A that had a mean of 550 and a standard deviation of 100. She…

A: Here we are to assume that scores on each exam are normally distributed.   For exam A, Brooklyn…

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: Given,sample size (n)=50sample mean(μ)=268standard deviation (σ)=15

Q: The weights of tablets are normally distributed with mean 254 mg and standard deviation 4 mg.  If…

A: We have given that,  X be the random variable from normal distribution with mean (μ)= 254 and…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.7…

A: It is given that the mean is 10.7 years and standard deviation is 3.4 years. The z-score for 0.02…

Q: The average weight of a group of students is 68 kg with a standard deviation of 8 kg. If the z-score…

A: Givenmean(μ)=68standard deviation(σ)=8z-score=0.5

Q: The income of trainess at a local mill are normally distributed with a mean of $1100 and a standard…

A: Let Y be the income of trainee mean = μ = $1100 standard deviation = σ = $150

Q: The mean weight of 500 male students in a certain college is 151 lbs. and the standard deviation is…

A:

Q: Assume that the time a student stays in school is normally distributed with a mean of 5 hours and a…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.3…

A: Let "X" be the shortest lifespan of the items. Sketch the normal curve and shade the area of 0.09…

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

A: Given that.   X~N( μ , ?^2 )   μ=100     , ?=15   Z-score =( x - μ )/?

Q: The speeds of motorists passing a particular point on a motorway are found to be normally…

A:

Q: The heights of adult females are normally distributed with mean 160 cm and standard deviation 8 cm.…

A: The following information has been provided:   Also,  Pr⁡(X≥k) = 0.025

Q: The time needed to find a parking space is normally distributed with a mean of 20 minutes and a…

A: 90% of the time, it takes less than  26.63 minutes to find a parking space. Explanation is given…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: