Given a population where p = 0.10, find the standard deviation of the samping distribution when n = 125.

Q: A distribution of values is normal with a mean of 46.3 and a standard deviation of 75.1. Find P39,…

A:

Q: The quality grade point averages of 300 college freshmen follow approximately a normal distribution…

A:

Q: Measuring lung function: One of the measurements used to determine the health of a person's lungs is…

A: The hypothesized mean is 2.1.

Q: A normally distributed data set has a mean of 0 and a standard deviation of 2. What is the percent…

A:

Q: The mean wingspan of a sample of 31 birds of a particular species is 30 inches.  The standard…

A: Sample size n =31 Sample mean=30 Population standard deviation =4

Q: Test scores for a history class had a mean of 89 with a standard deviation of 8.9. Suppose a student…

A: According to the given information, we have Mean = 89 Standard deviation = 8.9 Raw score = 67

Q: A set of data has a normal distribution with a mean of 100 and a standard deviation of 15. Find the…

A:

Q: a bank's loan officer rates applicants for credit. the ratings are normally distributed with a mean…

A: We have to find 60th percentile.

Q: A data set has a mean of 300 and a standard deviation of 40. What value would have a z-score of z =…

A: z-score of z = - 2 is -7.55 Reason: z-score of z = - 2=-2-meanstandard deviation=-2-30040=-7.55

Q: find the z-score for the value 69, when the mean is 96 and the standard deviation is 5.

A:

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A: It is given that p is 0.10 and n is 500.

Q: The distribution of the height of a tomato plant is normal with population mean u and population…

A: Given, σ=10Let μ=μP(Z≤z)=0.40From z-tableP(z≤0.253)=0.40

Q: A distribution of values is normal with a mean of 141.6 and a standard deviation of 44. Find P65,…

A: Given Information: Mean μ=141.6 Standard deviation σ=44 To find Percentile P65: Using a standard…

Q: A statistician uses Chebyshev's Theorem to estimate that at least 90 % of a population lies between…

A: We have to find correct answer for given data..

Q: A test score of 45 has an equivalent standard score (z-score) of 1.6. If the mean test score is 39,…

A: given dataraw score  x = 45standard score   z = 1.6mean μ = 39S.D.  σ = ?

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when the…

A: It is given that p is 0.10.

Q: cats is about 3 ounces. Assume that the distribution of birth weights is Normal with a standard…

A: Given that.   X~N( μ , ?)   μ=3    , ?=0.3   Z-score =( x - μ )/?

Q: A distribution of values is normal with a mean of 163.1 and a standard deviation of 74.5.

A: From the given information, the mean is 163.1 and standard deviation is 74.5. Need to fine P12. That…

Q: If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then I.Q. of 130 will have…

A:

Q: On the daily run of an express bus, the average number of passengers is 48. The standard deviation…

A: Let "X" be the average number of passengers on the daily run of an express bus.

Q: Given a distribution with a mean of 70 and a standard deviation of 62, find a value with a z-score…

A:

Q: distribution of values is normal with a mean of 131 and a standard deviation of 37.2. Find P56,…

A: We have the  Mean = 131 Standard deviation= 37.2 We have to find p56.

Q: The golf scores for a school team were normally distributed with a mean of 68 and a standard…

A: Let X be the golf scores. It is given that X is normally distributed with mean 68 and standard…

Q: In a county male height is normally distributed with a mean of 175 cm and a standard deviation of 6…

A: Given that.   X~N( μ , ?^2 )   μ=175   , ?=6   Z-score =( x - μ )/?

Q: The lengths of a large stock of titanium rods follow a normal distribution with a mean (u) of 440 mm…

A: Given that, The lengths of a large stock of titanium rods follow a normal distribution with a mean…

Q: On a recent exam, a student scored a 91. The student’s result corresponds to a z score of 1.71. If…

A: We have to find standard deviations..

Q: A distribution of values is normal with a mean of 202 and a standard deviation of 91.5. Find P75,…

A: Obtain the score separating the bottom 75% from the top 25%. The score separating the bottom 75%…

Q: Assume that a nomral distribution has a mean of 22 and a standard deviation of 7. What percentage of…

A:

Q: The mean grade in the Physics examination was 73 and the standard deviation was 8. Determine the…

A:

Q: A data set has a mean of x=443 and a standard deviation of 18 . Find the z-score of x =429 .

A:

Q: With a mean of 10 and standard deviation of 5. Assume that the population data are normally…

A: The mean is 10 and the standard deviation is 5.

Q: Someone claims that the systolic blood pressure of adults in the USA is nearly normally distributed…

A:

Q: A survey of local companies found that the mean amount of commission for sales agents was ₱10,600.…

A: Given data  μ = ₱ 10600σ =₱ 720 Chebyshev's theorem , find minimum percentage of the data values…

Q: Calculate the standard deviation of the data.

A: The given data is as follows:…

Q: A distribution of values is normal with a mean of 38.3 and a standard deviation of 84.2. Find P98,…

A: From the provided information, Mean (µ) = 38.3 Standard deviation (σ) = 84.2 Let X be a random…

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.