A group of 70 Western Grey Squirrels were studied in Los Angeles . The sample mean of thesesquirrels was found to be 1.73 pounds. Based on previous studies we can assume that thestandard deviation of this squirrel population, o, is 0.13.1. Find a 90% confidence interval for the average weight of Western Grey Squirrels in the studyregion. (Round to three decimal places)ter2. Interpret your result.Make sure to answer both questions. Write down what test you used from your calculator and thevalues you entered.

We have given that, Sample mean(x̄) = 1.73, sample size (n) = 70 and population standard deviation…

Answered: A group of 70 Western Grey Squirrels…

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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There are two major tests of readiness for college, the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores is approximately Normal, with mean of 21.9 and standard deviation of 5.8. SAT scores are reported on a scale from 400 to 1600. The distribution of SAT scores is approximately Normal, with mean of 1,059 and standard deviation of 203. What ACT scores make up the top 10% of all the scores? Round to the nearest whole number.
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Gestation Periods of Humans. Gestation periods of humans have a mean of 266 days and a standard deviation of 16 days. Let denote the variable “gestation period” for humans. a. Find the standardized variable corresponding to y. b. What are the mean and standard deviation of the standardized variable? c. Obtain the z-scores for gestation periods of 227 days and 315 days. Round your answers to two decimal places. d. Interpret your answers in part (c). e. Construct a graph similar to Fig. on page 146 that shows your results from parts (b) and (c). FIGURE Graph showing Juniper’s length (green dot) and Camellia’s length (red dot)
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I'd like the first question answer, the one that fills in the boxes. I can do the rest
Laura and learn that her GPA average in her school is a 3.6 with a standard deviation of 0.3. if her gpa 3.0 what is her z sxore
The scores of the Betropolis University Music Appreciation Exam are Normally Distributed with a mean of 50 and a standard deviation of 10; that is N(50, 10). A. Boris scored 40.6 and Bela scored 56.8. Find the percent of students who scored greater than Boris and less than Bela. Your answer should be correct to 4 places after the decimal point. ___________ B. 51% of the students score greater than Bernie. Find Bernie’s score. Your answer should be correct to 3 places after the decimal point. Bernie’s score was ___________
A successful basketball player has a height of 6 feet 11 inches, or 211 cm. Based on statistics from a data set, his height converts to the z score of 5.17. How many standard deviations is his height above the mean?
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Researchers collected information on the body parts of a new species of frog. The thumb length for the female frog has a mean of 8.28 mm and a standard deviation of 0.78 mm. Let x denote thumb length for a female specimen. a. Find the standardized version of x. b. Determine and interpret the z-scores for thumb lengths of 10.3 mm and 7.1 mm. Round your answers to two decimal places. a. Find the standardized version of x. z=enter your response here
A data set lists weights (Ib) of plastic discarded by households. The highest weight is 5.72 Ib, the mean of all of the weights is x= 2.345 lb, and the standard deviation of the weights is s =2.123 lb. a. What is the difference between the weight of 5.72 lb and the mean of the weights? b. How many standard deviations is that (the difference found in part (a))? c. Convert the weight of 5.72 Ib to a z score d. If we consider weights that convert to z scores between -2 and 2 to be neither significantly low nor significantly high, is the weight of 5.72 Ib significant? a. The difference is lb. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed.) d. The highest weight is
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