The diameter of a pipe is normally distributed, with a mean of 0.4 inch and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inch? (You may need to use the standard normal distribution table. Round your answer to three decimal places.) . Hint: take the square root of the variance to find the standard deviation.

Q: Given a normal distribution with a mean of 150 and a standard deviation of 10, what is the…

A: Given,   Mean = 150 Standard deviation = 10

Q: If you know that the variance of a normal distribution is 50, then to the nearest whole number, what…

A:

Q: Find the Mean, Variance, and Standard Deviation (round off to two decimal places)

A: Given: No. of students, n=50 Scores of students 78 95 91 78 91 83 80 99 93 91…

Q: Given a normal distribution whose mean is 590 and whose standard deviation is 74, find the…

A:

Q: A factory produces bars of chocolate that follow a Normal Distribution with a mean weight of 70g and…

A: Given that.  X~Normal( μ = 70 , ?2 = 9) μ =70 , ?=3

Q: Suppose the lengths of all fish in an area are normally distributed, with mean ? = 31 cm and…

A:

Q: If you know that the variance of a normal distribution is 64, then to the nearest whole number, what…

A: Given,variance(σ2)=64

Q: The long-distance calls made by South Africans are normally distributed with a mean of 16.3 minutes…

A: Given,mean(μ)=16.3standard deviation(σ)=4.2

Q: For a normal distribution with a mean of µ = 80 and a standard deviation of σ = 10, what is p(X<95)?…

A:

Q: A used car dealer says that the mean price of a three-year-old sports utility vehicle is $19,000.…

A:

Q: Past experience indicates that the variance in the time it takes for a "fast lube" operation to…

A:

Q: Given a normal distribution with a standard deviation of 14, what is the mean if 40% of the values…

A: We know that; X~Normal(μ,σ2) ⇒Z=X-μσ~Normal(0,1) Let X be the random variable with a normal…

Q: Given a normal distribution with mean = 100 and standard deviation = 10, what is the probability…

A: The distribution of X is a normal distribution as follows X~N(100, 10)

Q: The results of a statistics examination follow an approximate normal distribution with a mean of 68…

A:

Q: The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student…

A: 1000 0.6 600 1000000 600000 1200 0.3 360 1440000 432000 1500 0.1 150 2250000 225000

Q: Observe the two normal curves below and answer the following questions. B 3. 5 9. 11 13 1. Which has…

A: According to given diagram: 1).  Graph A had lower variance as the difference between the remaining…

Q: The tensile strength of paper is modeled by a normal distribution with a mean of 36 pounds per…

A:

Q: The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student…

A: From the data: Admissions (x) Probability P(x) x P(x) x2 P(x) 1000 0.3 300 300000 1200 0.1…

Q: Two samples, each with n = 5 scores, have a pooled variance of 40. What is the estimated standard…

A:

Q: For the binomial​ distribution, which formula finds the standard​ deviation?

A: Consider the terms for any binomial distribution.

Q: For a normal distribution with a mean of μ = 10 and a standard deviation of σ = 2, what is p(5<X<15)

A: It is given that X follows N(mean = 10, SD = 2), then Z = (X - mean)/SD follows N(0,1)

Q: given a standardized normal distribution with a mean of 0 and a standard deviation of 1 as in table…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A population is normally distributed with a mean of 50 and a standard deviation of 10. Find the…

A: Given data,Mean μ=50sd    σ=10P(X&lt;44)=?

Q: Given a sample data set with a Standard Deviation of 1.34, what is the Variance of the data set.?…

A: We have to find variance.

Q: Given a standard normal distribution (with a mean of 0 and a standard deviation of 1) what is the…

A:

Q: The empirical rule relates the standard deviation of a population to the probability of where a data…

A:

Q: The distribution of room and board expenses per year at a four-year college is normally distributed…

A:

Q: The average age of a car registered in the Land Transportation Office is 10 years or 120 months.…

A: Sampling Distribution of a Normal Variable :  Given a random variable X. Suppose that the population…

Q: Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), determine…

A: We will use Std. Normal table to find the required probabilities. Note : According to our guidelines…

Q: Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), determine…

A: We will use Std. Normal table to find the required probabilities. Note : According to our guidelines…

Q: A physical fitness association is including the mile run in its secondary-school fitness test. The…

A: P(X&lt;348)=?

Q: Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤ 47)? OA.…

A:

Q: for a normal distribution with a mean of 7 and a stanard deviation of 6, the value 10 has a z value…

A: It is given that mean and standard deviation are 7 and 6, respectively.

Q: For the standard normal distribution, which of the statements below is correct? A. Standard…

A: In the standardized form, the normal distribution has a mean equal to zero and standard deviation…

Q: For a normal distribution with a mean of µ = 100 and a standard deviation of σ = 10, what is…

A:

Q: Given that we have a normal distribution with mean 73 and standard deviation of 13 for an English…

A:

Q: In a log normal distribution. What is the expected value of the mean and the Std. And what is the…

A: The mean and standard deviation of log normal distribution is to be found out. The log normal…

Q: Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution…

A: It is given that the annual salaries are distributed bell shaped (approximately normal) with mean of…

Q: If a sample of size 16 is selected from a population that follows a normal distribution with a…

A:

Q: The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a…

A: It is given that the mean is 32.3 and standard deviation is 1.2.

Q: If a normal distribution has a mean of 35 and a standard deviation of 5, then The median is 35 and…

A: We know that normal distribution is symmetricaldistribution .i.e mean=median=mode

Q: Find the range, the standard deviation, and the variance for the given samples. round non-integer…

A: According to question given2.4, 4.1, 4.4, 3.4,2.8, 3.1

Q: Given a non-normal population with a variance of 25 and mean of 13. If the size of a sample is n =…

A: Assume the variable of interest is X.

Q: A factory produces bars of chocolate that follow a Normal Distribution with a mean weight of 70g and…

A: Given that.   X~N( μ =70 , ?^2=9 )   μ=70     , ?=3   Z-score =( x - μ )/?

Q: A statistical analysis of a very large sample of fully-assembled medical devices indicates that the…

A:

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: The range of a set of observations is defined as the difference between the maximum and minimum…

Q: In a bottling plant, the filling machine works properly when the variance of filling amount equals…

A: a) The probability that the sample variance is greater than 0.5 is: P(s2&gt;0.5) = P(χ2&gt; (n-1)…

Q: The mean, µ, is (Round to the nearest tenth as needed.) The variance, o², is| (Round to the nearest…

A: Given : The distribution is binomial distribution  and  n = 50 , p = 0.2

Q: In the United States the ages 13 to 55+ of smartphone users approximately follow a normal…

A:

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.