A random number generator picks a number from one to thirteen in a uniform manner. Find thefollowing. *note, you will need the f(x) equation to solve c and d*a) Mean: 7b) Standard deviation, round to 4 decimals: 3.4641c) Probability that the number chosen is 7: 0d) Probability that the number chosen is less than 8. 0.6667

Answered: Image /qna-images/answer/6643d203-36f0-4f13-b373-01e05ea887f8.jpg

Answered: A random number generator picks a…

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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Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean number of dandelions per square meter was found to be 8. Find the probability of no dandelions in an area of 1 m². P(X= 0): = Find the probability of at least one dandelion in an area of 1 m². P(at least one) = Find the probability of at most two dandelions in an area of 1 m². P(X ≤ 2)
Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20 . Find the probability that a randomly selected adult has an IQ less than 95 a. Find the z-score: z = nothing (round to 2 decimal places) b. Find the probability: nothing (use 4 decimal places)
Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 653. A random sample of 33 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume σ = 1540. The probability is ☐ (Round to four decimal places as needed.)
Calculate the standard deviation of the following set of numbers (show your work): 5 5 7 8 10
The mean percent of childhood asthma prevalence in 43 cities is 2.07%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.4%? Interpret this probability. Assume that o = 1.39%. The probability is (Round to four decimal places as needed.)
Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 651. A random sample of 32 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 700? Assume o = 1540. The probability is (Round to four decimal places as needed.)
Assuming a population is normally distributed, calculate the probability that a random member of the population falls between 3 standard deviations below the mean and 1 standard deviation below the mean. In other words in mathematical notation: P(-3 < z < -1) Enter your answer in decimal form. For example, 75% should be entered as 0.75.
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Determine the probability of seeing a Z score of 2.699 or one with a larger absolute value.
Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation o = 20. Find the probability that a randomly selected adult has an IQ less than 125. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 125 is. (Type an integer or decimal rounded to four decimal places as needed.) Enter vour answer in the answer box. 33283, xlsx Exit Honorlock 22 MacBook Air 吕0 F2 F4 F5 F10 %23 2$ % & * 3 5 7 8 E Y U D F J K C V B M %S4
Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)

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