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: On a standardized exam, the scores are normally distributed with a mean of 39 and a standard…

A:

Q: It takes an average of 13.6 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: Given,sample size(n)=43sample mean(x¯)=15.2standard deviation(s)=3.16α=0.01

Q: The cholesterol levels of young women aged 20 to 34 have an approximate Normal distribution with…

A: Given: μ=185σ=40middle 68% of the choesterol levels would be between ?

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 ages of the members of a popular ski club is normally distributed with a mean of 46 years and a…

A: Given that the ages of the members of a popular ski club is normally distributed with a mean of 46…

Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The Stanford-Binet IQ test is scaled so that scores have a mean of 100 and a standard deviation of…

A: Let "X" be the Stanford-Binet IQ test

Q: It takes an average of 11.2 minutes for blood to begin clotting after an injury. average will…

A: Note: As per the guidelines, we are only allowed to solve three subparts, please post the other…

Q: It takes an average of 8.8 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Steel rods are manufactured with a mean length of 25 centimeters (cm). Because of the variability in…

A: Given, Steel rod length are normally distributed with mean 25 cm and standard deviation 0.07.

Q: The scores on a mathematics exam have a mean of 71and a standard deviation of 8. Find the x-value…

A: Let X denote the scores on a mathematics exam and it follows normal distribution with mean of…

Q: Steel rods are manufactured with a mean length of 27 centimeter​ (cm). Because of variability in the…

A: Given,mean(μ)=27standard deviation(σ)=0.06

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: d) 85% of all students finish the activity in less than secon Submit Question

A: X~N( μ = 38.6 , ? = 6.3 ) μ = 38.6 , ? = 6.3 Z-score =( x - μ )/?

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: uppose the distribution of heights of a group of 200 children is normal with a mean of 150…

A:

Q: On a standardized exam, the scores are normally distributed with a mean of 550 and a standard…

A:

Q: Assume that the average length of some wire is 52 inches with a standard deviation of 6.5 inches. At…

A: Given: The average length of the wire, μ=52 Standard deviation, σ=6.5 We need to determine at most…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days…

A:

Q: It takes an average of 10.4 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: Givensample size(n)=67Mean(x)=10.8standard deviation(s)=2.94α=0.05claim is to see if the average…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days…

A: Let "X" be the lengths of pregnancies in a small rural village in days.

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: It takes an average of 9.1 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: The sample size is .The sample mean is .The sample standard deviation is .The significance level is…

Q: It takes an average of 9.9 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: The level of significance is 0.01.

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: It takes an average of 12.7 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: According to policy we supposed to answer only first three part for remaining please repost the…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: 21 year old men rates at rest are normally distributed with a mean of 70 beats per minute, and a…

A: Given that   21 year old men rates at rest are normally distributed Mean (μ)=70 beats per minute…

Q: kes an average of 13.2 minutes for blood to begin clotting after an injury. An EMT wants to see if…

A:

Q: r blood to begin clotting after an injury. An EMT wants to see if the immediately told the truth…

A: According to guidelines we solve first three subparts when given multiple subparts.

Q: In a survey, the mean weight of 1005 rats was calculated to be 132 gr. The standard deviation of the…

A:

Q: At one college, GPA’s are normally distributed with a mean of 3 and a standard deviation of 0.6.…

A: Given Information:  Mean (u) = 3  Standard Deviation (s) = 0.6

Q: On a standardized exam, the scores are normally distributed with a mean of 350 and a standard…

A:

Q: According to a poll, a shopper spends an average of 45 minutes at the supermarket for each trip,…

A:

Q: The average age of senators in the 108th Congress was 62 years. If the standard deviation was 12.5…

A: Solution: Let X be the age of senator. From the given information,

Q: Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a…

A:

Q: A taxicab company in New York City analyzed the daily number of miles driven by each of its drivers.…

A: It is given that the number of miles driven is normally distributed with mean 200 miles and standard…

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.

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.