Part a: find the standard deviation and round answer to at least one decimal place part b: find the range rule of thumb and round the answer to one decimal place

Q: Levels of a certain enzyme in the blood have a mean value of 27.0 mg/mL and a standard deviation of…

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Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Men's heights have a mean of 165 cm and a standard deviation of 6 cm. The z-score corresponding to…

A: The following information has been provided: μ=165σ=6Z=0.27 We need to compute the raw score X.

Q: Find the standard deviation of this number set: {2, 4, 9} showing all of the steps involved as shown…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: The time for degree completion was record below. Years 4 6 5 6 5 8 Calculate the standard…

A: Calculation:The number of observations on time for degree completion (years) is, n = 6. Denote xi as…

Q: There are five people in a room, ages 10, 10, 15, 20 and 20. If the 15 year old leaves the room, the…

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Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

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Q: Find the standard deviation of the lengths of the wolves in the entire animal preserve.

A: The mean of the lengths of the wolves in the entire animal preserve is,…

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Use the body temperatures, in degrees Fahrenheit, listed in the accompanying table. The range of the…

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Q: The estimated standard deviation is°F. (Round to two decimal places as needed.) Compare the result…

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Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

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Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: Given data:- 12,17,23,14,13,18,21,16,14,19Range=maximum-minimum=23-12=11Mean =…

Q: or the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, find the mean and standard deviation

A: Given data  116 , 97.9 , 114.2 , 106.8 , 108.3 Sum of data values = 116.0 + 97.9 + 114.2 + 106.8 +…

Q: In a population of ages where the mean age is 45 and the standard deviation is 5.25, what are the…

A: Given mean age = 45Standard deviation = 5.25The Z score with 0.0505 to its left is -1.64 and the Z…

Q: A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the…

A: Vending machine dispenses coffee into a 12 ounce cupx=12standard deviation()=0.07

Q: The following are data regarding number of minutes to accomplish a certain task: 121, 134, 145, 212,…

A: From the provided information, The data values are as follow: 121, 134, 145, 212, 289, 306, 367,…

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

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Q: The tourist bureau of the Hawaiian Islands surveyed a sample of 5 United States tourists as they…

A: GIVEN DATA, sample size n=5sample:10,7,8,6,9standard deviation of the sample is =?

Q: Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find…

A: We have to find given probability.

Q: The coefficient of variation CV describes the standard deviation as a percent of the mean. Because…

A: For Heights and Weights, Heights Weights   76 181   71 198   66 165   80 214   73 229…

Q: What is the sample mean of SAT-V? (Round to the hundredth place if it is necessary.) 2. Can the…

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Q: Find the standard deviation of the following exam scores. Round to the nearest hundredth. 63…

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Q: distribution of the height of a tomato plant is normal with population mean of 50 inches. The 80th…

A: Provided data is, distribution of the height of a tomato plant is normal with population mean of 50…

Q: Determine a z-score to the nearest 0.01 for each of the test scores. Which is the better score? Rour…

A: Given data,For TEST A:Mean=670sd=80Test score=950For TEST B:Mean=2.7sd=0.4Test score=4.6

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

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Q: Compute the mean and standard deviation of the random varlable with the given discrete probability…

A: According to the given information, we have The probability distribution table is given by, X…

Q: A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the…

A: Normal Distribution:Normal Distribution:The normal distribution is a continuous probability…

Q: Using StatKey or other technology, find the following values for the above data. Click here to…

A: The given data is as follows: 78101114161922252930

Q: Find the standard deviation of the following set of scores. 10, 2, 38, 23, 38, 23, 21, 23

A: From given data, set of score: 10, 2, 38, 23, 38, 23, 21, 23 Count, N = 8 Sum, ∑x = 178

Q: The measurements are 465, 589, 526, 602, 486, 542, 472, 689, and 643. Find the mean and the standard…

A: obtain the mean of the data:The mean for the given data can be obtained by entering the…

Q: Electricity bills: According to a government energy agency, the mean monthly household electricity…

A: Normal distribution is symmetric bell shaped distribution. It is not skewed.It is known for…

Q: Using the short cut formula we learned in class, find the standard deviation of the following list…

A: We have given that,  The data set are : 15, 15, 15, 20, 20, 20, 20, 20 Then, We will find the…

Q: Using the short cut formula we learned in class, find the standard deviation of the following list…

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Q: The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100…

A: The random variable IQ follows normal distribution. We have to find the probability of people who…

Q: The standard deviation in the sample means is called the margin of error.

A: Answer : False  The given statement is incorrect.

Q: Fill in the following values in the table using the rounded mean you got in the question above.…

A: From the given information, x 57 61 57 57 58 57 X¯=57.8333 Consider, x…

Q: 11. Find the area of the shaded region. The graph depicts IQ scores of adults, and those scores are…

A: Normal Distribution : A random variable x is said be normal distribution with the probability…

Q: If you buy one ticket everyday for 365 days, find the mean and standard deviation for the numbers of…

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