One country’s annual rainfall has a normal distribution with mean of 100 inches and standard deviation of 25 inches. Suppose fruits grow best when the yearly rainfall is between 100 and 150 inches. What is the chance of achieving this amount of rainfall?

Q: A particular fruit's weights are normally distributed, with a mean of 527 grams and a standard…

A: Given Mean=527 Standard deviations=5

Q: If IQ scores are normally distributed with a mean of 100 and standard deviation of 12, what does…

A: The normal distribution is symmetric in nature having parameters μ and σ.The mean, mode, and median…

Q: A population has a standard deviation of 25 and a mean of 300. Given a random sample of size 100,…

A:

Q: Suppose a population is known to be normally distributed with a mean, equal to 116 and a standard…

A: Given dataMean = 116Standard deviation = 14Probability that population would be between 116 and 130…

Q: A significant number of students completed a Statistics exam, and the final marks had a mean of 70…

A: Answer - A significant number of students completed a Statistics exam, and the final marks had a…

Q: Suppose a small paint manufacturing company has a daily production that is normally distributed with…

A: Solution: It is given that a small paint manufacturing company has a daily production that is…

Q: If a set of data is normally distributed with a mean of 50 and a standard deviation of 5, a z-score…

A:

Q: uppose that the resting h stributed with mean 80 a /hat heart rate would a m

A: Let X be a random variable with mean 80 and s.d. 15 that follows a normal distribution. So,…

Q: A particular fruit's weights are normally distributed, with a mean of 450 grams and a standard…

A:

Q: The speeds of all cars on the tollway was found to be normally distributed with a mean of 63 miles…

A: It is given that that µ=63 mile per hour. Obtain the standard deviation of the speeds of all cars:

Q: At one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0,4.…

A: At one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0.4

Q: A particular fruit's weights are normally distributed, with a mean of 486 grams and a standard…

A:

Q: The life of a battery is normally distributed with mean 70 hours with a standard deviation of 10…

A: Given, μ = 70 σ = 10 Z = X-μσ

Q: 1. The life spans of a particular species of turtle are normally distributed with a mean of 180…

A: Given that mean =180 ,s.d =40 P ( 100 <X < 260) = ?

Q: A sample of 90 items has mean 55 and standard deviation 3. A second sample of 110 items has mean 60…

A:

Q: The weights of apples from a certain farm are normally distributed with a standard deviation of 1.4…

A: Solution: Let X be the weight of apple. From the given information, X follows normal distribution…

Q: A particular fruit's weights are normally distributed, with a mean of 541 grams and a standard…

A:

Q: at one college, GPAs are normally distributed with a mean of 3.1 and a standard deviation of 0.4.…

A:

Q: Suppose that the scores on a reading ability test are normally distributed with a mean of  60  and…

A:

Q: uppose you have a data set of size of 26 with mean 50 and standard deviation 8. If u subtract 8 from…

A:

Q: if a distribution is normal with a population mean = 60 and population standard deviation = 15, what…

A: Let "X" be the scores that is normally distributed.

Q: At one college, GPA's are normally distributed with a mean of 2.9 and a standard deviation of 0.6.…

A: From the given information, Consider, X be the random variable that shows the GPA scores which is…

Q: A particular fruit's weights are normally distributed, with a mean of 645 grams and a standard…

A: Let X denote the  fruit's weights and it follows normal distribution with a mean of μ=645 grams and…

Q: The weekly demand for a popular product is distributed normal with a mean 39 KG and a standard…

A: Given that, The weekly demand for a popular product is distributed normal with, Mean = 39 Standard…

Q: If an espresso machine out-pour is normally distributed with the mean of 0.9 ounces and standard…

A: Let  X be the random variable from normal distribution with mean (μ) = 0.9 and standard deviation…

Q: A particular fruit's weights are normally distributed, with a mean of 659 grams and a standard…

A: From the provided information, Mean (µ) = 659 grams Standard deviation (σ) = 7 grams Let X be a…

Q: What proportion of the students scored lower than 80 if the distribution of these grades can be…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 230 grams and a standard…

A: The provided information is:

Q: Suppose a population is known to be normally distributed with a mean, equal to 116 and a standard…

A: The percentage of the population would be between 116 and 144 is obtained below:It is given that the…

Q: A random variable Y has normal distribution with a mean of 80 and a standard deviation of 15.  What…

A: Mean()=80Standard deviation()=15

Q: A particular fruit's weights are normally distributed, with a mean of 621 grams and a standard…

A: It is given that the fruits weights follow normal distribution with mean 621 and standard deviation…

Q: Suppose a population has a mean happiness score of 75 and a standard deviation of 15. Researcher A…

A:

Q: a population was normally distributed with a mean of 10 and standard deviation of 2. What…

A: Given data,Mean μ=10sd    σ=2P(X<12.5)=?

Q: If a set of 20 values has a variance of 9, what is the standard deviation of the set?

A: Given that n=20, Variance=9

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

A:

Q: If a golfer hit drives a golf ball with a mean of 180 yards and a standard deviation of 20 yards,…

A: We have given that  A golfer hit drives a golf ball with a mean of 180 yards and a standard…

Q: The length of time to complete a standard achievement test possesses a mean of 58 minutes, with a…

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

Q: A population of scores has u=55 and o=15.  if 5 points are subtracted from every score in the…

A: The given data is μ = 55σ = 15 Suppose x1, x2, x3, x4, ..., xn are the data points…

Q: A population has a mean of 75 and a standard deviation of 15 you randomly sample nine people from…

A: Given population have mean 75 and standard deviation 15. A sample of 9 people from the population is…