The weights of laboratory cockroaches can be modeled with a Normal distribution having mean 80 grams and standarddeviation 2 grams. The following figure is the Normal curve for this distribution of weights.ADEELFhAbout what percent of the cockroaches have weightsbetween 76 and 84 grams?O 68%O 95%O 99.70%O 47.50%

given data μ = 80σ = 2normal distributionusing empirical rule find P(76<x<84) = ?

Answered: The weights of laboratory cockroaches…

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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Need help with this one in part D.
Please see attached.
Use a calculator or computer software to generate a normal quantile plot for the data in the accompanying table. Then determine whether the data come from a normally distributed population. Click the icon to view the data set. Generate a normal quantile plot for the data. Choose the correct graph below. OA. 3.00 2.00- 1.00- 0.00- -1.00- Q Q -2.00 -3.00 100 200 300 400 500 0 X Value OB. 3.00 2.00- 1.00- 0.00- -1.00- -2.00- -3.00- ... 0 100 200 300 400 500 X Value Q Q G O C. 3.00 2.00 P 1.00 0.00- -1.00- -2.00- 0 100 200 300 400 500 X Value -3.00+ Determine whether the data come from a normally distributed population. Choose the correct answer below. OA. The distribution is not normal. The points are not reasonably close to a straight line. OB. The distribution is normal. The points show a systematic pattern that is not a straight-line pattern. OC. The distribution is not normal. The points show a systematic pattern that is not a straight-line pattern. OD. The distribution is normal. The…
The normal curve below shows a distribution of heights of players on a baseball team that has a mean of 70 inches and a standard deviation of 2 inches. Use this distribution to answer questions 7 through 12. 34% 34% 2.35% 13.5% 13.5% 2.35% 0.15% 0.15% 64 66 68 70 72 74 76 Height (inches) 7) What is the percentage of players whose height is between 70 and 74 inches? lO
What is the level of measurement of the variable “age”? A. IQR B. Range C. Median D. Ordinal E. Mode F. Nominal G. Mean H. Interval/Ratio I. IQV J. Standard deviation
Please answer d and e.
The data represents the heights of eruptions by a geyser. ← Use the heights to construct a stem and leaf plot. Is there strong evidence suggesting that the data are not from a population having a normal distribution? Which plot represents a correct stem and leaf plot of the data? O A. 910 10 0 1 3 689 110034 12 0 0 1 13 0 0 0 1 14 0 15 0 OB. 9/0 ⒸA. 6 B. 1 OC. 4 OD. 5 10 0 1 11 00001 12 03 6 89 13 0 0 3 4 14 01 15 0 O C. 9|001 10 0 18 11 0 0 3 12 0 0 9 13 0 0 6 14 034 15 0 1 If there were a 200 foot eruption, how many stems would it add to the chart above? Save Height of eruption (in.) 128 90 110 150 140 110 100 130 110 123 134 111 110 126 129 120 133 130 101 141 ww Incor
Please see picture
The table below shows the frequency distribution of the rainfall on 52 consecutive Tuesdays in a certain city. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Class 0-0.19 0.20 -0.39 0.40 -0.59 0.60-0.79 0.80 -0.99 1.00-1.19 1.20-1.39 Frequency 22 13 4 1 5 6 1 Choose the correct histogram below. OA. OB. O C. 30- 20- 10- 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 30- 20- 10- 0+ 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 30- 20- 10- 0+ 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Q Q Q Do the data appear to have a distribution that is approximately normal? O A. No, it is approximately uniform. OB. No, it is not symmetric. OC. No, it has no obvious maximum. O D. Yes, it is approximately normal.
A normally distributed data set has a mean of 100 and a standard deviation of 5. What percent of data values are bigger than 105 ? 16 % 95% 60 % 32 %
Find the average deviation from the mean for the following distribution : x: 3 5 7 11 13 f: 2 7 10 9 5 1
Use the given data values (a sample of female arm circumferences in centimeters) to identify the corresponding z scores that are used for a normal quantile plot, then identify the coordinates of each point in the normal quantile plot. Construct the normal quantile plot, then determine whether the data appear to be from a population with a normal distribution. 44.2, 34.5, 38.2, 32.7, 40.9 Part A- List the z scores for the normal quantile plot. Part B- Identify the coordinates of each point in the normal quantile plot. Use ordered pairs for the form (x,y), where x is the sorted arm circumferences in ascending order, and y is the corresponding z score. Part C- Do the data come from a normally distributed population?

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