For women aged 18-24, systolic blood pressures (in mm HG) are normally distributed with a mean of 114.8 and a standard deviation of 13.1.  If 23 women aged 18-24 ar randomly selected, find the probability that their mean systolic blood pressure is betwen 119 and 122.

Q: Assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard…

A:

Q: The average age of accountants is 53 years, with a standard deviation of 5 years. If an accounting…

A: We have to find probability..

Q: . What is the probability that the student will get into a college whose entrance score is 550?

A:

Q: Systolic blood pressure of males is normally distributed with a mean of 125 mm and a standard…

A: Systolic blood pressure of males is normally distributed with a mean of 125 mm and a standard…

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

A:

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

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard…

A: Given a mean of 97.8 and a standard deviation of 23

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

A:

Q: The average height of a certain age group of people is 53 inches. The standard deviation is 4…

A: Let X be the random variable from normal distribution with mean or average (μ) = 53 and standard…

Q: The life of a vacuum cleaner is normally distributed with mean of 2 years and a standard deviation…

A: Given: Mean(μ)  = 2 years Standard deviation (σ) = 1 years

Q: Assume thAt scores on a standardized test are known to follow a bell shaped distribution with a mean…

A: L

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

A: Solution

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: The overhead reach distances of adult females are normally distributed with a mean of 38 cm and a…

A: GivenMean(μ)=38standard deviation(σ)=12

Q: Assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A: According to the given information, we have Mean = 135 Standard deviation = 4.7 Sample size = 35

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 UST employees is 34 years old. Assume the data is normally distributed. If the…

A: The average age of UST employees is 34 years old i.e. μ=34 The standard deviation is three years…

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: A​ bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A: It is given that the ratings are normally distributed with mean 200 miles and standard deviation 50.

Q: The average weight loss at a clinic is 10lbs with a standard deviation of 5lbs. What is the chance…

A:

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 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: Body temperatures of adults are normally distributed with a mean of 98.60 Fahrenheit and a standard…

A: The Z-value of a random variable X is defined as follows: Here, the mean and standard deviation of…

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: The average score of all golfers for a particular course has a mean of 61 and a standard deviation…

A: Mean()=61Standard deviation()=4Sample size(n)=64

Q: The average score of 300 students taking a statistics final was 72 with a standard deviation of 5.…

A: We have to find probability..

Q: The height of 10 year old females is normally distributed with a mean of 54.8 inches and a standard…

A: It is given that mean and standard deviation are 54.8 inches and 2.74 inches, respectively.

Q: The scores on a national achievement exam are normally distributed with a mean of 500 and a standard…

A: Given data: Mean =  500 Standard deviation = 100 To find: P( X < 600 ) = ?

Q: The annual per capita consumption of oranges (in pounds) in the United States  can be approximated…

A: It is given that the mean and standard deviation are 19.2 and 4, respectively.

Q: MCAT scores are normally distributed with a mean of ? ​​= 501.5 and a standard deviation of ? =…

A: Given: Population mean μ = 501.5 Population standard deviation σ = 10.7 Formula Used: Z-score = X-μσ

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98 and standard…

A:

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.