The average number of pounds of red meat a person consumes each year is 196 with a standard deviation of 22 pounds (Source: American Dietetic Association). If a sample of 50individuals is randomly selected, find the probability that the mean of the sample will be greater than 200 pounds.OA. 0.0985OB. 0.9015OC. 0.8815O D. 0.7613C

Solution-: Given: μ=196,σ=22,n=50 Let, X= be the random variable We want to find P(the mean of…

Answered: The average number of pounds of red…

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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The symbol o represents the standard deviation of a sample of size n. O True O False
A researcher studying frogs is investigating the distance that a certain species of frog can jump. The jump lengths appear to be approximately normally distributed with a mean of 85 inches and a standard deviation of 8 inches. Directions: Make a sketch of the "empirical rule" for this setting. a. What proportion of frog jumps are less than 77 inches? b. What jump lengths represent the middle 95% of frog jumps? Between _________ and __________
The amount of lizards that a person sees during a hike follows a normal model with an average of 20 lizards and standard deviation of 9 lizards. What would be the probability that a randomly selected person sees between 35 and 43 lizards during a hike? 0000 0.8133 0.0713 0.1867 0.0423
The mean life of a tire is 30,000 km. The standard deviation is 2000km. About 95% of all tires have a life between ____ km and _____ km
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Temperatures in June in the Paradise City are distributed nearly normally with mean 85 degrees and standard deviation 4 degrees F. Which of the following temperatures would be considered unusual? O 76.6 87.8 80.6 O 81.4 O 89.8
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Solve the problem.Assume that mountain lions' weights are normally distributed with a mean of 62.6 kilograms and a standard deviation of 2.6 kilograms. If 70 mountain lions are randomly selected, find the probability that they have a mean weight between 61.9 kilograms and 62.8 pounds.
The amount of coffee in a can has a mean of 350g. The standard deviation is 5g. Use the normal distribution curve to find the probability the coffee can will have BETWEEN 340 and 350 grams of coffee in it. 0.34, 0.34 0.135 0.0235 0.0015 0.135 X 0.0235 0.0015 335 340 345 350 355 360 365 .475 .68 .0235 O .815
Choose the letter of the correct answer. A random variable x whose distribution has the shape of a normal curve is called a. normal random variable b. bell shaped c. mean d. standard deviation The center of the normal curve is the mean with the value of _____ if it is standardized. a. 1 b. 2 c. 0 d. 3
Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard deviation of 12 oz. The proportion of infants with birth weights above 125 oz is: a. 0.141. b. 0.233. c. 0.159. d. 0.106.
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