The systolic BP of non-smokers in the Framingham Heart Study is normally distributed with = 135.08 and o = 23.087. Describe the sampling distribution of random samples of 18 non-smokers: The mean of the sample means (to 2 decimal places) = The standard deviation of the sample means = 95% of samples with sample size = 18 will have means between and

Q: Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 74…

A:

Q: The incubation time for Rhode Island Red chicks has a Normal distribution with a mean of 21 days and…

A: Here, mean is 21 and standard deviation is 1

Q: Fluorescent lightbulbs have lifetimes that follow a normal distribution, with an average life of…

A: Solution: From the given information, σ=1,612 hours and n=332.

Q: university in England and each student in a random sample of 38 female students from the same…

A: The following information has been provided: For Males : Sample Mean 1 (Xˉ1)(\bar X_1)= 282282…

Q: The scores of students on an exam are normally distributed with a mean of 496 and a standard…

A: The mean is 496 and the standard deviation is 67.

Q: The phenomenal data shows that the average of a player is 41 runs and mean score of team is 50 with…

A:

Q: The length of a particular animal's pregnancies are approximately normally distributed with mean of…

A: The length of a particular animal's pregnancies are approximately normally distributed with mean of…

Q: Suppose the scores of students on an exam are normally distributed with a mean of 337 and a standard…

A: Let X be the random variable from normal distribution with mean (μ) = 337 and standard deviation (σ)…

Q: he blood platelet counts of a group of women have a bell-shaped distribution with a mean of 253.8…

A: Given data,Mean μ=253.8sd    σ=61.7P(68.7<X<438.9)=?

Q: The population distribution of the useful lifetime of a cutting blade of a concrete saw has mean 50…

A: From the provided information, Population mean (µ) = 50 hours Standard deviation (σ) = 9 hours Let X…

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

A:

Q: The drive distance (in yards) for professional golfers is normally distributed with a mean of 308.04…

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

Q: A study of pregnant women found that the length of pregnancies is normally distributed with a mean…

A: Solution: Let X be the length of pregnancies. From the given information, X follows normal…

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: f the value of adult male cholesterol is a normal distribution with a mean of 198 and a standard…

A: The question is about normal dist. Given : Mean of cholesterol value of adult male ( μ ) = 198 Std.…

Q: Suppose the population of IQ scores in the town or city where you live is bell-shaped, with a mean…

A:

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A:

Q: For a population with  = 150, a raw score of X = 125 corresponds to z = -2.00.  What is the standard…

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

Q: then A(-2u - 20) = -2 ---B 5 and Au 3 Au = 2 4

A:

Q: The standard deviation for length of stay in a hotel is 7.2 days. For the variable “length of…

A: The standard deviation of the lengths of stays on international cruises is 7.2 days Total Sample =67…

Q: adult women in the US, the diastolic blood pressure is normally distributed with mean 76 mm Hg and…

A: The z score can be calculated as: z=X-μσn The required z score that is associated with the top 10%…

Q: A firm is looking to employ a person as an engineer. Applicants of earlier years have standart…

A: Obtain the 90% confidence interval for the mean of all applicants exam results The 90% confidence…

Q: An advertising agency that serves a job radio station wants to estimate the mean amount of time that…

A: Here, σ=45, confidence level=90%, E=5.

Q: A negatively-skewed distribution has = 60, = 10. If this entire distribution is transformed into…

A: The mean is 60 and the standard deviation is 10.

Q: The GSS survey is conducted for approximately 2200 adults every year, since 1972 for a total of more…

A: The mean is 7.44 and the standard deviation is 10.98.

Q: In a distribution of the test grades with the mean of 25 and the standard deviation of 4, what would…

A: Given,mean(μ)=25standard deviation(σ)=4grade score(X)=32