Determine the variance and standard deviationof each random variable. %40%25%3.%0%15%3.5.1.(z)0.18.0.26.4.2.2.5.5.5.5.1.1.1.1.1.(x))5.4.3.2.1.your answer in your answer sheets.B. Determine the Variance and Standard Deviation of each random variable. Write0.395. Mean4. Mean =of the probability distribution.in one day are 0.75, 0.17, 0.04, 0.025, 0.01, and 0.005 respectively. Find the mean5. The probabilities of a machine manufacturing 0, 1, 2, 3, 4, and 5 defective parts

As per our guidelines we are supposed to answer only one question per post so I am solving first…

Answered: 1. 1. 1. (x)d 1. 5. 3. 2. 1. 715

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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maria has calculated the variance for a set of data and now takes the square root of that value. she has caculated the : -standard deviation -mean deviation -mean -mode
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.
A coach uses a new technique to train gymnasts. Seven gymnasts were randomly selected, and the competition scores were recorded before and after the training. Test the claim that the training technique is effective in raising the gymnasts' scores. How many populations? 2 1 What is the parameter? Standard Deviation Mean Difference between Means Proportion Variance What is the test statistic?
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 1.2 hours. Let X be the random variable representing the time it takes her to complete one review. Assume X is normally distributed. Let X be the random variable representing the mean time to complete the 16 reviews. Assume that the 16 reviews representa random set of reviews. Find the probability that the mean of a month's reviews will take Yoonie from 3.5 to 4.25 hrs. (a) Sketch the graph, labeling and scaling the horizontal axis. Shade the region corresponding to the probability. ↑ 2.8 4 3.2 6.4 O 0.4 1.6 2.8 4 5.2 6.4 7.6 0.4 1.6 2.8 4 5.2 6.4 7.6 X O 0.4 1.6 0.4 1.6 WebAsign Plot 7.6 6.4 7.6 X (b) Give the probability statement and the probability. (Enter exact numbers as integers, fractions, or decimals for the probability statement. Round the…
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 1.2 hours. Let Χ be the random variable representing the time it takes her to complete one review. Assume Χ is normally distributed. Let x¯x¯ be the random variable representing the mean time to complete the 16 reviews. Assume that the 16 reviews represent a random set of reviews. What causes the probabilities in Exercise 7.3 and Exercise 7.4 to be different?
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