The weight of miniature donkeys is normally distributed with a mean weight of 265 pounds and a standard deviation of 26.1 pounds. What proportion of miniature donkeys weigh more than 250 pounds? Question 2 options: .5747 None of the answers given are correct .2157 .2843 .7157

Q: ssume that the Richter scale magnitudes of earthquakes are normally distributed with a mean of 1.157…

A: Given that μ=1.157 & σ=0.532

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

Q: The average dog at a dog facility takes 25 trials in order to learn how to sit, with a standard…

A: The normal distribution is a continuous probability distribution that has wide applications. X…

Q: + 7 8 9 10 11 12 13 14 15 16 17 data Based on the boxplot above, identify the 5 number summary

A: Given that Box plot  Note: According to bartelby question answer guidelines an expert can solve…

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

A:

Q: 150 boxes got weighed. Find the standard deviation of the weight of the boxes of cereal.…

A: Bins f x fx fx^2 15.3-15.6 13 15.45 200.85 3103.133 15.6-15.9 24 15.75 378 5953.5 15.9-16.2 84…

Q: e population standard deviation for the following values: (Be sure to answer to the nearest 2…

A: n = 5 The mean is:

Q: Calculate the sample standard deviation of the data shown. Round to two decimal places. X 17 28…

A: Given:X: 17, 28, 25, 18, 10, 14, 12, 11 The sample standard deviation (s) can be computed as…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120…

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

Q: The mean length of a human pregnancy is 265​days, with a standard deviation of 9 days. Use the…

A:

Q: Calculate the sample standard deviation of the data shown. Round to two decimal places. X 27 30 10…

A: The computational formula for sample standard deviation is: s=n(n−1)ni=1∑n​Xi2​−(i=1∑n​Xi​)2​​…

Q: 00 ce, and standard deviation of the sample data set. PrtScn Home

A:

Q: University Salary ($1,000) A 53 B 44 C 68 D 47 E 62 F 64 G 53 H 100  For the above…

A: We have given that,  The data set of the sample are : University :- A, B, C, D  E, F, G, H Salary (X…

Q: Find the population standard deviation for the following values: (Be sure to round your answer to…

A: Given: n=5 The mean for the data is as follows: μ=Sum of all observationsTotal number of…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122…

A: It is an important part of statistics. It is widely used.

Q: A sports shop records the sales of items made in India and those made in Australia. Country of…

A: The standard deviation is the measure of variability from individual data values to the mean and…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121…

A: The given data are: Mean = 121 Standard Deviation= 22 (a) Stage 2 high blood pressure occurs if…

Q: Assume the standard deviation of the heights of all five-year-old boys is 3.5 inches. How many…

A: Population standard deviation : 90% confidence interval for population mean. Margin of error : E =…

Q: The length (in pages) of math research projects is given below. Using this information, calculate…

A: The length of math research projects is given. There are 9 data observations given. Thus, n= 9.

Q: The police reported that the average driver exceeds the 50 miles per hour speed limit by more than 8…

A: We have given that the average 57.33 miles per hour and standard deviation 4.29 miles per hour.…

Q: Given the mean of GRE scores is 150 and the standard deviation is 8.8. What proportion of combined…

A:

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…

A:

Q: The weights of broilers are approximately normally distributed with mean 1387 grams and standard…

A:

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: Given X is normal Distributed with mean µ = 500.0 and standard deviation σ = 100.0 now will using…

Q: How high must a vehicle's gas mileage be to fall in the top 15% of all vehicles?

A: Given,  Mean μ=23 miles per gallon(mpg) Standard deviation σ=4.9 (mpg)Let x be the mileage above…

Q: he average age of vehicles registered in the United 96 months. Assume the population is normally…

A: Given: μ=96, σ=15, n=36 Calculate the corresponding  z scores as:

Q: Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard…

A: Suppose a random variable X, defines the reading on thermometers.