com E Informed Delivery E Bradley Thompson.. * Bookmarks C Meet pog fhda swy 4.4.3 Quiz: The Normal Distribution Question 1 of 10 Suppose a normal distribution has a mean of 26 and a standard deviation of 4. What is the probability that a data value is between 27 and 28? Round your answer to the nearest tenth of a percent. A. 12.3% B. 10.3% C. 11.3% D. 9.3% E PREVOUS

Q: Sketch the graph that shows Zo 42 and then determine Zo.42-

A: here use basic of standard normal distribution

Q: LEGO (Round to one decimal place as needed.) The range of the sample data is ..... 2. 1. 5. 8. 1. 1.…

A: We have given that data  We use formula for range  Range = max - min

Q: cw2 Calculate the standard deviation of the data shown.  x 13.1 5.7 1.9 20.6 11.1…

A: Standard deviation is a measure of dispersion. It tells how far are the individual data from the…

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A:

Q: Determine whether the graph shown could represent a variable with a nomal distribution. Explain your…

A: Determine whether the graph shown could represent a variable with normal distribution.Explain your…

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A:

Q: Find the test statistic value.

A: Here  A SCUBA instructor wants to record the collective depths of each of his students’ dives during…

Q: The distribution of heights of adult men is approximately normal with mean 69 inches and standard…

A: Given that: Mean = 69 inches Standard deviation = 2.5 inches

Q: Given the histogram and descriptive statistics of the image below, describe the shape, and wihat…

A: Given : Mean = μ = 8.44 Median = 7.09 Standard deviation = σ = 2.47 Sample size = n = 500

Q: population consists of values 4, 8, 12, and 16. What is the standard deviation? (approximate value)…

A: Given sample values - 4, 8, 12, 16 Size  = N = 4  Mean =  μ=∑xN=4010=4

Q: Determine whether the following graph can represent a variable with a normal distribution. Explain…

A: Solution-:We determine whether the following graph can represent a variable with a normal…

Q: Using the given distribution below, answer item numbers 8 - 10. Frequency Ages 15-17 2 12-14 6 9-11…

A: Mean(x¯)=∑f.x∑fMean(x¯)=15012Mean(x¯)=12.5 Class f Mid value (x) f⋅x x-x¯=|x-12.5| f⋅|x-x¯| 15…

Q: A survey indicates that people use their computers an average of 4.5 years before buying a new one.…

A: GivenMean(μ)=4.5standard deviation(σ)=0.75

Q: Determine whether the following graph can represent a variable with a normal distribution. Explain…

A: From the above graph we can see that, it is symmetric the mean =median= mode= 20 i.e. mid point of…

Q: This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation.…

A: Number of samples (n) = 7 X 48.3 29.6 16.8 42.9 41.4 13.2 29.5

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: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

A: let X: the time needed to assemble a food delliveryX~N(μ,σ)where mean(μ)=30 minutesand standard…

Q: The population of weights of a particular fruit is normally distributed, with a mean of 325 grams…

A: From the provided information, Mean (µ) = 325 grams Standard deviation (σ) = 13 grams X~N (325, 13)

Q: What was the cutoff for a failing score? Approximately what percentage of the students failed?

A: The scores on a psychology exam were normally distributed with a mean of 68 and a standard deviation…

Q: Determine whether the following graph can represent variable with a nomal distribution. Explain your…

A: Solution-: We determine the given graph can represent a variable with a normal distribution. Also…

Q: This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation.…

A:

Q: Please help me with both questions. These are just 2 and you are allowed to answer 3. Please help…

A:

Q: The mean weight of fish raised at the Stockton Fish Farm is 2.2 pounds. The standard deviation is…

A: Chebyshev's theorem: At least 1-(1/k2) of the values are lies between k standard deviations µ±kσ.…

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: we have to find the Z-score of 90th percentile.

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. I t…

A:

Q: sessm A binomial distribution withp= 0.14 has a %3D mean of 18.2. What is n? О а. 18 O b. 130 О с.…

A: we have to find out value of n...

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: The z-score is obtained Excel function “=NORMSINV(Probability)”.

Q: Which statement is true about a normal distribution? O The mean is equal to twice the median and the…

A: given

Q: (22) Let X = b(6, find E(5+6x) and distribution function.

A:

Q: Suppose that the value of a stock varies each day from $11.82 to $23.17 with a uniform distribution.…

A: It is given that the value of a stock varies each day from $11.82 to $23.17 with a uniform…

Q: Scores on a test have a mean of 60 and Q3 is 82. The scores have a distribution that is…

A:

Q: 3. Statistics Grades In a large section of a statistics class, the points for the final exam are…

A: Solution

Q: ..... correct choice below and, if necessary, fill in the answer boxes to complete your choice.

A: Option (B) is correct. The graph could not represent a variable with a normal distribution because…

Q: Find the standard deviation for the group of data items. 5, 6, 7, 7, 8, 9 The standard deviation is…

A: 5,6,7,7,8,9

Q: Question Help Suppose you buy a new car whose advertised mileage is 20 miles per gallon​ (mpg).…

A: Given Information: a. To find out the​ z-score for the gas mileage of the car. b. Does it appear…

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are not…

A: Answer Given,100.1,96.8,98.7,100,99.1,98.3,97.5,100.9,99.1,100,98.1,100.1The sample size [n] =12

Q: Page 2 of 5 B. Organizing and Working with Data. 1. Find the z-score for the weight of a 155-pound…

A: The mean is 170.6 and standard deviation is 5.4 pounds.

Q: The p-value is which? the same as the z statistic. a sample statistic. a probability. a…

A:

Q: For the data shown, answer the questions. Round to 4 decimal places where possible. 28.3 17.7 12.8…

A: