Question 695 U VetalisThe number of potholes in any given 1 mile stretch offreeway pavement in Pennsylvania has a bell-shapeddistribution. This distribution has a mean of 38 and astandard deviation of 10. Using the empirical rule, what isthe approximate percentage of 1-mile long roadways withpotholes numbering between 8 and 48?Do not enter the percent symbol.ans =Question Help: DPost to forum

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Answered: The number of potholes in any given 1…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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please answer the question in the photo. Thank you
The annual rainfall in a town has a mean of 54.57 inches and a standard deviation of 12.84 inches. Last year there was rainfall of 71 inches. How many standard deviations away from the mean is that? Round your answer to two decimal places.
The accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied year round. Approximate the mean and standard deviation square footage. Click the icon to view the data table. The mean square footage is x=. (Round to the nearest integer as needed.)
The birth weights of newborn elephants are Normally distributed with a mean of 160 pounds and a standard deviation of 12 pounds. What is the weight of the newborn elephant at the 33rd percentile? Round to the nearest whole number. 175 lbs 155 lbs 145 lbs 165 lbs
A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 901 people age 15 or older, the mean amount of time spent eating or drinking per day is 1.85 hours with a standard deviation of 0.57 hour. Complete C and D.
The life span of Duracell batteries is normally distributed. The mean life span is 10,502 hours an the standard deviation is 415 hours. If 66,500 duracell batteries are manufactured, approximately how many of those batteries last at least 9,850 hours? A 39,900 B. 46,600 C. 59,900 D. 62,600
Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 68 miles per hour, with a standard deviation of 3 miles per hour. Estimate the percent of vehicles whose speeds are between 65 miles per hour and 71 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately nothing% of vehicles travel between 65 miles per hour and 71 miles per hour.
Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. The middle 90% of the heights are between what two values? Round to one decimal place. 60.4 inches and 66.8 inches 59.5 inches and 67.7 inches 63.1 inches and 64.1 inches 61.9 inches and 65.3 inches
Use R Calculator to solve. Show all work.
a quantitative data set has mean 25 and standard deviation 5. what percentage of the observations lie between 15 and 35
Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The area of the shaded region is. (Round to four decimal places as needed.) om/Player/Player.aspx?cultureld=&theme=math&style=highered&disableStandbyIndicator=true&assignmentHandlesLocale=true# NO REF SAMPLE....pdf 2 W S 5373255.docx X H ommand # 3 80 F3 E D $ A 4 C Q F4 R F % 01 % 5 V T G < 6 MacBook Air B Y TEMPLATE Sel....docx & 7 H F7 N * 8 J A DII FB 1 M 9 resume..docx K O < H db O L F10 P Clear all command - Л. : ; I { + [ = 80 option Check answer ? Show All I } A 1 G X dele
Please answer the following: You can Thank you. Adult IQ scores can be modeled using a normal model with mean 100 and a standadrd deviation of 15. a. Find the prportion of IQ scores that are less than 115. b. Find the proportion of IQ scores that are greater than 131.5. c. Find the proportion of IQ scores between 90 and 110. d. Find the proportion of IQ scores that are betewwn 110 and 120. e. Find the IQ score above which there are 10% of the scores. f. Find the IQ score below which there are 20% of the scores.

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