A.  If the population mean is 410 and the population standard deviation is 10, what is the probability that one or a raw score that is drawn at random is above 400? Please show all work

Q: Janice measures the circumferences of the trunks of trees in the woods near her house for a science…

A: The mean is 72 inches and the standard deviation is 5 inches.

Q: he distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4…

A: Solution-: Let, X= The distribution of heights of adult males Given: (inches) We find, P[ he…

Q: A data set is formed by recording the sums in 400 rolls of a pair of a dice. A second data set is…

A: Standard deviation:The standard deviation indicates by how much each observation differs from a…

Q: The standard deviation may not be greater than the mean. O True O False

A: False: standard deviations may be greater than mean  example: random variable x follow standard…

Q: A population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be…

A: Mean = 84 Standard deviation = 12 Sample size = 36

Q: If the mean of a list of numbers is 16.7 and the standard deviation is 0,

A: Mean is a measure of central tendency. It is one of the most important measures to find out around…

Q: The mean GPA of university students is 2.3 with a standard deviation of 1.2. If you were to draw 36…

A:

Q: The probability that an individual is left handed is 0.15 in a class of 60 students. What is the…

A: Given data: The given probability is p=0.15. The numbers of students are n=60. The expression for…

Q: The mean annual cost of automobile insurance is $939. Assume that the standard deviation is a =…

A: GivenMean(μ)=939standard deviation(σ)=245sample size(n)=50

Q: Suppose, you play a game, and the result is simply "win" or "lose". For every 15 games played, you…

A:

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…

A: given data normal distribution population mean  = 600 population sd = 20

Q: The mean grade on a final examination was 72 and the standard deviation was 9. The top 10% of the…

A: Mean(µ) = 72Standard deviations (σ) = 9

Q: The IQ score that separates the bottom 15% from the top 85% is P,5 =. (Round to the nearest…

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: Suppose that heights of women in Utah are normally distributed with a mean of 74 inches and a…

A:

Q: 3. The average consumption of rice that a rural male adult person in a year is 70 kilos. If 25 rural…

A: Ans# Here X ~ N( μ, σ)          Where  μ = 70   and σ = 112,       sample size n = 25         Find…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

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: On a standardized test, Sara had a score of 93, which was exactly 2 standard deviations above the…

A: The normal distribution in the center is generally denser and basically less dense at tails. There…

Q: A population has a mean of 125 and a standard deviation of 16. A sample of 64 observations will be…

A: The known values are, The probability that the sample mean will be between 122.6 and 126.5 is,

Q: single fair die is rolled seven times.  Find the mean and standard deviation of the number of times…

A: Solution

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A: Given,mean(μ)=312P(X>319)=0.28

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.