The age of professors at a certain university is normally distributed with an average of 45.0 years and a standard deviation of 6.0 years. If 16 professors are chosen at random for a committee, find the probability that the average age of those professors is greater than 42.0 years.

Q: According to a study done by Pierce students, the height for Hawaiian adult males is normally…

A:

Q: In a survey of a group of men, the heights in the 20, 29 age group were normally distributed with a…

A:

Q: If a female is randomly selected, find the probability that her pulse rate is between 69 beats per…

A:

Q: The height of Christmas trees are normally distributed. The standard deviation of Christmas trees is…

A: Given: μ=1250 and σ=200   The z is calculated asz=x-μσ

Q: The typical American adult eats an average of 48.5 hamburgers in a year. Assume the number of…

A: The information provided in the question are as follows :- The average number of hamburgers eaten by…

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

A:

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

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

A: mean=268 S.D=15

Q: A Cuckoo Maran hen lays a mean 300 eggs per year with a standard deviation of 12.7 eggs. The…

A:

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

A:

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a population…

A: Solution: Let X be the blood pressure reading. 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: A bank's loan officer rates applicants for credit. The rating are normally distributed with a mean…

A: From the given information,   Mean = 705 Standard deviation = 32 Sample size = 50

Q: Find the indicated probability. The age of professors at a certain university is normally…

A: According to the provided information,

Q: Furnace repair bills are normally distributed with a mean of 263 dollars and a standard deviation of…

A: Here, µ = 263 and σ = 25.

Q: Assume that the salaries of elementary school teachers are normally distributed with a mean $35,000…

A:

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: The average age of doctors in a certain hospital is 48.0 years old with a standard deviation of 5.0…

A: Given data,Mean μ=48standard deviation σ=5If n=32P(45<X<51)=?

Q: The average length of crocodiles in a swamp is 11 feet. If the lengths are normally distributed with…

A: Given: μ = 11 σ = 1.5 Formula Used: Z = X-μσ

Q: The weights of college football players are normally distributed with a mean of 193 pounds and a…

A: Mean = 193 Standard deviation = 53

Q: A population is normally distributed with a mean of 50 and a standard deviation of 10. Find the…

A: Given data,Mean μ=50sd    σ=10P(X<44)=?

Q: The average age of a vehicle registered in the United States is 8 years, or 96 months. If a random…

A: Mean()=8 years=96 monthsstandard deviation()=15

Q: The average score of all golfers for a particular course has a mean of 64 and a standard deviation…

A:

Q: Assume the average height for all American women is 64 inches with a standard deviation of 2 inches.…

A:

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: The weights of the fish in a certain lake are normally distributed with a mean of 11 lbs. and a…

A: From the provided information, Mean (µ) = 11 Standard deviation (σ) = 12 X~N (11, 12) Here X be a…

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

A: a)   The probability that the weight is between 150 lb and 211 lb is 0.5598 and it is calculated…

Q: Assume the average weight of a schoolchild's book bag is 17.5 pounds, with a standard variation of…

A: Let X be a random variable that denotes the weight of the child's school bag. Then, it is provided…

Q: goods

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

Q: Suppose that heights of women in Utah are normally distributed with a mean of 74 inches and a…

A:

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: 18 men will be tested for the discus throw. if Mu= 112ft and standard deviation= 13ft. find the…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.