If the average length of all low-weight babies at the time of birth is known to be 36.5 centimeters with a standard deviation of 2.4 cm, use pnorm() to find the probability that the sample mean length is equivalent to the sample mean of our random sample or larger. random sample mean= 36.82

Q: Assume that women's heights are normally distrubuted with a mean of 63.6 inches and a standard…

A: From the given information, the mean is 63.6 and the standard deviation is 2.5.

Q: Assume that the heights of women are normally distributed with a mean of 64.1 inches And a standard…

A: Given: Population mean=μ=64.1. Population standard deviation=σ=2.3. The sample size is n=64.

Q: Mean = 71kg, standard deviation = 13kg. if 46 adults are randomly selected, what is the probability…

A:

Q: The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about…

A: From the provided information, Mean (µ) = 137 mm Standard deviation (σ) = 69 mm

Q: Find the probability that a random sample of 36 men will have a mean weight less than 190 lbs

A: Given: μ=179σ=29n=36 Calculate the corresponding Z score as follows: The probability that a random…

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probabilit that a person…

A:

Q: A simple random sample of 36 observations was taken from a large population. The sample mean and the…

A: The sample mean and the standard deviation are μ = 80 and σ = 12 respectively.Let X denotes the…

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

A: L

Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…

A:

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probability that a person…

A: Given data: Mean = 300 Standard deviation  = 20 To find: The probability that a person will burn…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: Given that ,                    sample size n=100                    Mean u=80…

Q: A random sample of 18 light bulbs is drawn from a normally distributed population. The population…

A:

Q: The population mean is 20 inches and population standard deviation is 4 inches. A random sample of…

A: mean = 20 s =4

Q: The average age of AMA employees is 34 years old. Assume the data is normally distributed. If the…

A: Given that, μ=34 yearsσ= 3 years The probability that the age of a randomly selected AMA employees…

Q: if the standard deviation of a sample is 0.5 find the variance

A:

Q: Find the probability that an observation taken from a standard normal population will be more than…

A: We have to find given probability..

Q: assume that women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: Mean = 63.6 Standard deviation = 2.5 Sample size = 81

Q: For a random sample of 10 men, the mean head circumference is x-bar= 57.3 cm and the sample standard…

A:

Q: Find the mean variance and standard deviation for the number of heads when 10 coins are tossed.

A: When a coin is tossed it can it can land either head or tail. Therefore, the number of outcomes is…

Q: Go Yankees! 9) Assume that IQ scores of Red Sox fans are normally distributed with a mean of 63.6…

A:

Q: The green turtle migrates across the Southern Atlantic in the winter, swimming great distances. A…

A: X~N( μ , ?)   μ=2200 , ?=625   Z-score =( x - μ )/?

Q: The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A: From the given information, x¯=9.6σ=1.8n=36

Q: Americans spend an average 12.2 minutes in the shower. If the standard deviation of the variable is…

A:

Q: A simple random sample of 36 observations was taken from a large population. The sample mean and the…

A:

Q: The tread life of a particular brand of tire is a random variable best described by a normal…

A: Given,          Meanμ =60,000          standard deviation σ=28

Q: The standard deviation of the lengths of a hospital stay on the intervention ward is 8.7 days. What…

A: Standard deviations=8.7 n=73

Q: Adult males have a mean weight of 179 lbs with a standard deviation of 29 lbs. Find the probability…

A: From the provided information, Mean (µ) = 179 Standard deviation (σ) = 29 X ~N (179, 29) Here X be a…

Q: The tread life of a particular brand of tire is a random variable best described by a normal…

A: The random variable X is the tread life of a particular brand of tire It is normally distributed.…

Q: probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have…

A: Given problem is binomial distribution Let, X: Patient recovers from a rare blood disease p=Prob. of…

Q: A random sample of 18 light bulbs is drawn from a normally distributed population. The population…

A: Since, the samples are drawn from the normal population thus sampling distribution of sample mean…

Q: The lifetime of lightbulbs has a mean of 1500 hours and a standard deviation of 100 hours. A sample…

A: