Consider a normally distributed random variable X with a mean of 85 and standard deviation of 10. Find ? The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the probability that 3 to 8 will survive?

Q: A particular fruit's weights are normally distributed, with a mean of 706 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: The probabilities that a patient will have 0,1,2, or 3 medical test performed on entering a hospital…

A: To find mean, variance and standard deviation.

Q: A particular fruit's weights are normally distributed, with a mean of 799 grams and a standard…

A: It is given that the fruit weights follow normal distribution with mean 799 grams and standard…

Q: A population has a standard deviation of 16. If a sample of size 64 is selected from this…

A:

Q: Americans drank an average of 34 gallons of bottled water per capita in 2014. If the standard…

A: Let the random variable X denote the American drank gallons of bottled water. Given that average…

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: A particular fruit's weights are normally distributed, with a mean of 269 grams and a standard…

A: A particular fruit's weights are normally distributed,  Mean = 269 Standard deviation = 18

Q: A particular fruit's weights are normally distributed, with a mean of 571 grams and a standard…

A: The random variable is fruit’s weight. It follows standard normal distribution. The population mean…

Q: The average life span of TV sets manufactured by Company X is 10.5 years. The standard deviation is…

A:

Q: Average temperatures in May in a certain city are normally distributed with a mean of 70 degrees and…

A: Introduction: The sampling distribution of the sample mean, X̄, based on a sample of size n, taken…

Q: A particular fruit's weights are normally distributed, with a mean of 583 grams and a standard…

A: Mean = 583 Standard deviation = 35 Sample size = 18

Q: A particular fruit's weights are normally distributed, with a mean of 600 grams and a standard…

A: Solution: Let X be the fruit’s weight. From the given information, X follows normal distribution…

Q: A population is normally distributed with mean 15 and standard deviation 2.6. Find the probability…

A:

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: A final exam in science 160 has a mean of 73 with a standard deviation of 7.8. If 25 students are…

A: Given information- Population mean, µ = 73 Population standard deviation, σ = 7.8 Sample size, n =…

Q: The net weight of a can of salmon is a random variable with a mean of 6.21 ounces and a standard…

A: Solution

Q: Suppose the average weight of a male US resident aged 20 to 30 years is 160 pounds with a standard…

A:

Q: will apply for graduate school. If the population standard deviation is 10 and the sample size is…

A: Given that  Population proportion p=25%=0.25 Sample size n =100

Q: A coin is tossed 3 times. Suppose that the random variable X is defined as the number of tails. Find…

A: We tosse a coin 3 times so  n=3 Probability of getting tail at a time = 1/2 At n= 3, P(tail) =…

Q: Suppose the temperature during the month of June is normally distributed with mean 68 degrees…

A: Answer: - Suppose the temperature during the month of June is normally distributed with…

Q: particular fruit's weights are normally distributed, with a mean of 347 grams and a standard…

A: According to the provided information, Mean (μ) = 347 Standard Deviation (σ) = 11 Sample Size (n) =…

Q: A particular fruit's weights are normally distributed, with a mean of 752 grams and a standard…

A: Let X be the random variable from normal distribution with mean (μ) = 752 and standard deviation…

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

A: From the given information,   Mean = 53 Standard deviation = 4

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

A:

Q: The weight of people in a small town in Missouri is known to be normally distributed with a mean of…

A: Mean = 180 Standard deviation = 28 Sample size, n = 40

Q: In a population of normally distributed data, the mean is 68 and the standard deviation is 12.75.…

A: given data normal distributionμ = 68σ = 12.75sample size (n) = 25P(70<x¯<75) = ?

Q: If you pick one fruit at random, what is the probability that it will weigh between 631 grams and…

A: It is given that  Mean, μ = 626 Standard deviation, σ = 27 Z-Score, Z = ( X - μ )/σ

Q: The average number of moves a person makes in his or her lifetime is 12. If the standard deviation…

A: Given,   Mean = 12 Standard deviation = 3.2 Sample size = 30

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.