An ecologist randomly samples 9 plants of a specific species and measures their heights. He finds that this sample has a mean of 15 cm and a standarddeviation of 1 cm. If we assume that the height measurements are normally distributed, find a 95% confidence interval for the mean height of all plants of thisspecies. Give the lower limit and upper limit of the 95% confidence interval.Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.)Lower limit:Upper limit:X3?Checkq2S3edrCB%ftVgyb民口剪。

Answered: Image /qna-images/answer/40e5c840-2d29-49be-8962-d1e64b2f8f54.jpg

Answered: An ecologist randomly samples 9 plants…

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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complete the following details please
Jack's clothing sells on average, 25 shirts per week, sometimes a little more, sometimes a little less but typically a deviation of about 3. The cost per jacket is $65. Because Jack's is located in a sketchy part of town their insurance on inventory is 33% on all goods. The good news is free shipping to customers although UPS charges Jack's $8.50 for every delivery. It takes 2 weeks from the time jackets are ordered until they are received. Jack's supplier has said they only ship by pallet, and each pallet contains 75 jackets. If the reorder point is 50 what is the average flow time?
Out of 57 high school female athletes, data was collected on how much they were able to bench press. From this data we get x=79.9,Q1=70, Q2=80, and Q3=90. Determine if the data distribution is skewed or symmetric. Give 2 reasons to back up your answer.
Assume that adults have IQ scores that are normally distributed with a mean of 95.2, and a standard deviation of 22.2 Find the first quartile Q1, which is the IQ score separating the bottom 25% from the top 75%. Can you please provide step by step using the T1-84 plus calculator. I keep getting stuck on locating the z-score. I know the first Q is .25 If you use the formula, please provide the actual figures including a picture- so I have a well-rounded answer to this question. Thank you
Please solve a, b, and c. Note: Please explain and show steps for solutions especially for part c.
A fitness company is building a 20-story high-rise. Architects building the high-rise know that women working for the company have weights that are normally distributed with a mean of 143 lb and a standard deviation of 29 lb, and men working for the company have weights that are normally distributed with a mean of 178 lb and a standard deviation or 32 lb. You need to design an elevator that will safely carry 18 people. Assuming a worst case scenario of 18 male passengers, find the maximum total allowable weight if we want a 0.995 probability that this maximum will not be exceeded when 18 males are randomly selected.maximum weight = -lb Round to the nearest pound.Answers obtained using exact z-scores or z-scores rounded to 2 decimal places are accepted The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.956 g and a standard deviation of 0.302 g. The company that produces these cigarettes claims that it has now reduced the amount of…
Answer A through E
Determine each statement is Type I error, Type II error, or no error. You reject the null hypothesis that the mean amount of soda in all cans of soda is at least 11 oz. The true mean is 11.07 oz. Suppose you fail to reject the null hypothesis that the mean lifetime of a battery is at least 50 hours. The true mean is 51.3 hours. Suppose you fail to reject the null hypothesis that the mean diameter of a bolt is at most 10 cm. The true mean is 10.02 cm.
solve a b c
A sample of 30 commuters in the area of a certain city yielded the accompanying commute times, in minutes. Preliminary data analyses indicate that the t-interval procedu interval for the mean commute time of all commuters in the area of the city. (Note: x= 27.47 minutes and s 9.81 minutes.) Click here to view the commute times. Click here to view page 1 of the t-table. Click here to view page 2 of the t-table. an reasonably be applied. Find and interpret a 99% confidence ..... The 99% confidence interval is from minute(s) to minute(s). (Round to one decimal place as needed.) Commute times 22 28 33 26 42 29 27 36 25 14 47 39 32 15 18 11 21 17 30 26 15 21 28 17 29 46 18 36 36 40 Print Done Clear all Check answer View an example Get more help - Help me solve this NOV W 3,769 étv 23 280 MacBook Air DII F11 F12 吕口 888 F10 • F7 F8 F9 F5 F6 F4 esc F2 F3 F1 & %23 %24 dele 7 8 9- 2 4. E R Y. 会 w/
Solve question 5. Show work for it aswell please with the steps.
ACT scores range from 1 to 36 and are normally distributed where N (21.5, 5.4). SAT scores• range from 600 to 2400 and are normally distributed where N (1498, 316). Jorge scores 2090 on the SAT. If both tests measure the same thing, what score on the ACT is equivalent to Jorge's SAT score?

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