Given a normal distribution with μ=100 and σ=10, complete parts​ (a) through​ (d) a. What is the probability that X >85​?     b. What is the probability that X<75​?     c. What is the probability that X<95 or X>130​?

Q: The mean height of women in a country​ (ages 20-29) is 63.9 inches. A randon sample of 70 women in…

A: Given μ= 63.9 Sample size=n=70 σ=2.87

Q: Suppose that the heights of men in the United States are normally distributed with a mean of 65.6…

A: The mean is 65.6 and the standard deviation is 2.7.

Q: The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and…

A: Given Mean =16, standard deviations σ=5  n=sample size=17  Note: According to Bartleby guidelines…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 70 mph and…

A:

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 78…

A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

Q: 2 Find x0.99 for x² distribution with 40 degrees of freedom. X 2 X0.99

A: It is needed to find the value of  for 40 degrees of freedom.

Q: A technology manufacturing company has recently switched to the production of isolinear processors.…

A:

Q: You have a Normal distribution with Mean = 54 and Standard Deviation = 7. Label the axis for this…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Choose the statement(s) which is (are) true of a normal distribution. I. it is symmetric about the…

A: Properties of normal distribution: The normal distribution is symmetric distribution. That is, the…

Q: Compute the mean number of accidents per day. b.Compute the standard deviation. c. What is the…

A: We have given that the probability distribution for the number of traffic accidents daily in a small…

Q: The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally…

A: The curve of the normal distribution is bell shaped and symmetric about the mean of the…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 76 mph and…

A: Mean(μ)=76 standard deviation(σ)=5

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 67 mph and…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Private nonprofit four-year colleges charge, on avwrage, $26,093 per year in tuition and fees. The…

A: GivenMean(μ)=26093standard deviation(σ)=6846

Q: uppose that the heights of female adults in the United States are normally distributed with a mean…

A: Solution-: Given: μ=65.4inches,σ=2.8inches We obtained the following: (a) P(X is between 66 and 70…

Q: Suppose you have a normal distribution with mean 16. If you are given a data value of 14, would you…

A: We have to find out z score...

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 78 mph and…

A:

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and…

A: Considering μ as the mean speed of all cars (at a population level) and σ as the standard deviation…

Q: graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis.…

A: Given the three graphs shows the normal distribution laballed A,B and C on the same axis Find which…

Q: Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. A student…

A: Given: Mean μ=78 Standard deviation σ=6 A student is selected at random.

Q: The variability of the scores in a sample tends to be _____ the variability of the scores in the…

A: As, we know that larger the size of population,  larger the variability in the population,  if we…

Q: Adult men's heights are normally distributed with m 70 inches and s 2.6 inches. What is the…

A: Given,mean(μ)=70standard deviation(σ)=2.6

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: 7. Let Z be a random variable with the standard normal distribution. Find the Z-score of the random…

A: Draw the normal curve and shade the area of 0.25 to the left of z.

Q: Which statement about the normal distribution is false? Approximately 68 % of the data lie within 1…

A:

Q: The average number of words in a romance novel is 64,159 and the standard deviation is 17,401.…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.7 minutes. 16…

A: Let X denotes the time taken by a run to complete. Then given μx= 24  &amp; σx=2.7 Part a: The…

Q: Complete the table and answer the question. a. What is mean of the probability distribution? b. What…

A:

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and…

A: Note: Please repost part d as i can answer only 3 subparts as per my policy.   Given data, μ=80σ=5

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.