A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 202.2-cm and a standard deviation of 1.8-cm. Find the probability that the length of a randomly selected steel rod is between 197.5-cm and 198.8-cm.

Q: Suppose that half of all students (50%) in campus dormitories are dissatisfied with the food…

A: Normal distribution used as an approximation to the binomial distribution         i.e., x ~ B(n,p)…

Q: The average weight of the leatherback sea turtle is 880 lbs with a standard deviation of 44 lbs.…

A: Given  Mean=μ=880, standard deviation=σ=44  P(X>1000)=?  Nahi te: According to Bartleby…

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

A: Let "X" be the lengths of the steel rods in cm.

Q: The weights of the cement per bag are normally distributed with a mean of 8.16 kg and a standard…

A:

Q: A quart of Parker's milk contains a mean of 42 grams of butterfat, with a standard deviation of 2.5…

A:

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: 70 million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average…

Q: The average cholesterol content of a certain brand of eggs is 225 milligrams, and the standard…

A:

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

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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

A: The lengths of the steel rods are normally distributed with a mean of  cm and a standard deviation…

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

A: let X: The lengths of the steel rods.X has normally distributed.X~N(μ,σ)where mean(μ)=148.4 cmand…

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: μ=129, σ=28.5n=31x¯1=120, x¯2=181

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

A: It is given that the mean is 219.2 and standard deviation is 0.9.

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

A: Let X represents the lengths of the steel rods Mean (X)=98.3 Standard deviation (X)=2.4 Therefore,…

Q: The lengths of trout in a lake are normally distributed with a mean of 30 inches and a standard…

A: The z-score denotes how many standard deviations an individual raw score is away from the mean The…

Q: The salary for workers at a company are normally distributed with a mean of $60,000 and a standard…

A: Solution: Let X be the salary for workers at a company. From the given information, X follows normal…

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

A: Mean = 139.1 Standard deviation = 1.1

Q: Find the indicated probability. The lengths of humpback whales' pregnancies are normally…

A: x = length of human pregnancies Mean μ = 330 standard deviation (σ) = 25

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

A: Let X be the length of the steel rods. Then X~N (144.3,0.8) i.e. µ=144.3 and σ=0.8

Q: The average GPA at a college is 2.79 with a standard deviation of 0.6. Find the probability that 7…

A: Let X, be the random variable of average GPA at a college follows Normal distribution with a mean…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: There is a large supply of light bulbs with the average life of 900 hours and the standard deviation…

A: It is given that the mean is 900 hours and the standard deviation is 60 hours.

Q: A library checks out an average of 332 books per day with a standard deviation of 58 books. The…

A: Given that a library checks out an average of 332 books per day with standard deviation of 58 books.…

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

A: As per our guidelines we are suppose to answer one three subparts kindly post the remaining subparts…

Q: In a recent year, grade 7 Maryland State public school students taking a mathematics assessment test…

A: In a recent year, grade 7 Maryland State public school students taking a mathematics assessment test…

Q: The heights of students are normally distributed with mean 161 inches and standard deviation of 4.56…

A: From the provided information, Mean (µ) = 161 Standard deviation (σ) = 4.56 X~N (161, 4.56)

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

A: Solution-:Given: Let, X= the lengths of the steel rodswe want to find P(the length of a randomly…

Q: The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A:

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

A: given data, normal distribution,μ=264.5σ=1we have to find out the average length separating the…

Q: The heights of athletes at a college have mean 69.5 inches and standard deviation 3.3 inches. Find…

A: From the given information,   Mean= 69.5 Standard deviation = 3.3   The objective is to find the…

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

A: Let X denote the lengths of the steel rods are normally distributed with a mean of μ=94.6 cm and a…

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

A:

Q: he manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A:

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

A: z score for less than 66% area = -1.51 P66 = 106.6 - 1.51*1.1 = 104.939

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

A: Let X be the lengths of the steel rods which follows normal distribution with mean 205.9 cm and…

Q: goods

A: Let X be the random variable such that  cholesterol content of a certain canned goods. The average…

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: The age of professors at a certain university is normally distributed with an average of 45.0 years…

A: Let X be the age of the professors at a certain university. X follows normal distribution that has…

Q: A farmer has 60 lbs of apples and120 lbs of potatoes for sale. The market price for apples​ (per…

A: According to the provided data, a farmer has 60 lbs of apples and 120 lbs of potatoes for sale. It…

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

A: Normal distribution

Q: The weights of ice cream cartons are normally distributed with a mean weight of 10 ounces and a…

A: