The number of calories in a salad on the lunch menu is normally distributed with mean = 200 and standard deviation = 5. Find the probability that the salad one selects will contain between 205 and 212 calories?

Q: find the probability that their lengths of pregnancy have a mean that is less than 260 days.

A: Let M denote the mean length of pregnancies for the same of size n = 25.

Q: The length of human pregnancies from conception to birth approximates a normal distribution with a…

A: Let X be length of time marks the longest 2.16 % of all pregnancies from normal distribution with…

Q: Assume that a set of test scores is normally distributed with a mean of 110 and a standard deviation…

A: Empirical rule of probability:- Approx. 99.7% of the data lies between ± 3 SD limit of mean μ  ±3 σ…

Q: The population of weights for men attending a local health club is normally distributed with a mean…

A:

Q: Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 74…

A:

Q: A farmer from Louisiana produces organic eggs. From previous observations, we know that the…

A: Given,Mean, grams Standard deviation, σ = 13 grams Sample size, n = 80According to central limit…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1010 dollars. Assume the…

A: Given,mean(μ)=1010standard deviation(σ)=266sample size(n)=78

Q: The mean score on a stress test is 5 and the standard deviation is 2. The distribution is normal.…

A: The distribution is normal with mean score on a stress test 5 and the standard deviation 2. Let X is…

Q: The amount of fish caught per boat per day by fishing boats from Sarıyer has a normal histogram with…

A: The numerical evaluation of a chance factor of an event is known as probability. For the Given data…

Q: The IQ scores of adults are normally distributed with a mean of 100 and a standard deviation of 15.…

A:

Q: The mean value of the scores in a Statistics exam was 85 with a standard deviation of 4. Find an…

A:

Q: mean number of customers arriving at a restaurant during a 15-minute period is 9. Find the standard…

A: Given that :   The mean number of customers arriving at a restaurant during a 15-minute period is 9.…

Q: If the scores follow normal distribution with a mean of 120, a standard deviation of 10, find…

A: Solution

Q: When Noah goes bowling, his scores are normally distributed with a mean of 135 and a standard…

A: Let X be the Noah goes bowling, his scores are normally distributed  mean μ=135, standard deviations…

Q: mean equal to 800MPA and a standard deviation of 40 MPa before it reaches yielding. Find the…

A: Random variable: A random variable X is a real number that describes the outcome of the random…

Q: according to the government data the probability that a woman between the age of 25 and 29 was never…

A: Given, Probability that a women between the ages of 25 and 29 was never marries is 40%. i.e. p =…

Q: particular fruit's weights are normally distributed, with a mean of 395 grams and a standard…

A: We have given that Mean=395

Q: An electrical firm manufactures light bulbs that have a length of life that is normally distributed…

A:

Q: Suppose that blood chlorine concentration (mmol/L) has a normal distribution with mean=98 and…

A: Given that blood chlorine concentration has a normal distribution with, Mean = 98 Standard deviation…

Q: does the range and standard deviation remain unchanged because the addition of 7 is a constant so…

A: given data  mean = 74 median = 76.5 range = 65 standard deviation = 11 add 7 points to each score…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Solution: Let X be the lengths of the steel rods are normally distributed with a mean of 117.6 cm…

Q: The amount of coffee people drink per a day is a mean of 14 ounces and standard deviation of 5…

A: We have to find given probability...

Q: The average grade for an exam is 74, the standard deviation is 7 and the grades are curved to follow…

A: The z-score is obtained by the formula: , where x=data pointμ=meanσ=standard deviation   Given:…

Q: Dr. Brown wants to conduct a study on 144 college age student who drink at a local bar in town. The…

A: Sampling Distribution of a Normal Variable : Given a random variable X. Suppose that the population…

Q: at is the probability that you could randomly

A: mean = 112.5 standard deviation = 16.4 What is the probability that you could randomly select a…

Q: A study of pregnant women found that the length of pregnancies is normally distributed with a mean…

A: Solution: Let X be the length of pregnancies. From the given information, X follows normal…

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: A requirement for business graduate school is the GMAT.  The GMAT is normally distributed with a…

A: Given,mean(μ)=527standard deviation(σ)=112

Q: The mean measure of high density lipoprotein (HDL), or good cholesterol, is 54 with a standard…

A: From the information, the mean is 54 and the standard deviation is 17. The probability of getting a…

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation…

A: Let  x denote the length of pregnancies. Given that the lengths of pregnancies are normally…

Q: The time it takes for a statistics professor to mark a single exam is normally distributed with a…

A:

Q: The sizes of houses in Kenton County are normally distributed with a mean of 1369 square feet with a…

A: From the given information, the mean and standard deviation are 1,369 and 171.

Q: hs of a particular animal's pregnancies are approximately normally distributed, with mean = 251 days…

A: Consider X be the random variable representing the time span of pregnancies.   X follows normal…

Q: The life of light bulbs is distributed normally, the standard deviation of the lifetime is 29 hours…

A: Answer: From the given data, Mean (μ) = 570 Standard deviation(σ) = 29 X follows normal…

Q: Suppose that weight of men in a population has a normal distribution with mean 60 Kg and standard…

A: Formula : Z =(X - μ)/σ

Q: Assume that a set of test scores is normally distributed with a mean of 110 and a standard deviation…

A: Given: A set of test scores is normally distributed with a mean of 110 and a standard deviation of…

Q: Two thousand students took an exam. The scores on this exam are Normally distributed with mean =81…

A:

Q: recent study was conducted and it found that IQ's are normally distributed with a mean of a 100 and…

A:

Q: calculate the sampling distribution of the different between blood pressure readings for men and…

A: Here use basics rule of subtraction of two normal random variable  Distribution of Subtraction of…